Home / 258,411,972-397,197,102

Finding the Third Proportional to 258,411,972 and 397,197,102

Calculator

Solution

The third proportional to 258,411,972 and 397,197,102 is: 610,519,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,411,972 : 397,197,102 = 397,197,102 : x
  2. Step 2: Convert to fraction form
    258,411,972/397,197,102 = 397,197,102/x
  3. Step 3: Cross multiply
    258,411,972x = 397,197,102 × 397,197,102
  4. Step 4: Simplify right side
    258,411,972x = 157,765,537,837,198,400
  5. Step 5: Solve for x
    x = 157,765,537,837,198,400/258,411,972
  6. Step 6: Final answer
    x = 610,519,460.91

Related Problems

Find third proportional to 129,205,986 and 198,598,551
Half scale
Find third proportional to 516,823,944 and 794,394,204
Double scale
Find third proportional to 258,411,974 and 397,197,105
Similar ratio
Find third proportional to 387,617,958 and 595,795,653
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.