Home / 317,606-697,426

Finding the Third Proportional to 317,606 and 697,426

Calculator

Solution

The third proportional to 317,606 and 697,426 is: 1,531,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,606 : 697,426 = 697,426 : x
  2. Step 2: Convert to fraction form
    317,606/697,426 = 697,426/x
  3. Step 3: Cross multiply
    317,606x = 697,426 × 697,426
  4. Step 4: Simplify right side
    317,606x = 486,403,025,476
  5. Step 5: Solve for x
    x = 486,403,025,476/317,606
  6. Step 6: Final answer
    x = 1,531,466.74

Related Problems

Find third proportional to 158,803 and 348,713
Half scale
Find third proportional to 635,212 and 1,394,852
Double scale
Find third proportional to 317,608 and 697,430
Similar ratio
Find third proportional to 476,409 and 1,046,139
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.