Home / 259,133,422.50-397,361,220.75

Finding the Third Proportional to 259,133,422.50 and 397,361,220.75

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Solution

The third proportional to 259,133,422.50 and 397,361,220.75 is: 609,322,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,133,422.50 : 397,361,220.75 = 397,361,220.75 : x
  2. Step 2: Convert to fraction form
    259,133,422.50/397,361,220.75 = 397,361,220.75/x
  3. Step 3: Cross multiply
    259,133,422.50x = 397,361,220.75 × 397,361,220.75
  4. Step 4: Simplify right side
    259,133,422.50x = 157,895,939,755,930,240
  5. Step 5: Solve for x
    x = 157,895,939,755,930,240/259,133,422.50
  6. Step 6: Final answer
    x = 609,322,943.50

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.