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Finding the Third Proportional to 292,418 and 607,812

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Solution

The third proportional to 292,418 and 607,812 is: 1,263,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,418 : 607,812 = 607,812 : x
  2. Step 2: Convert to fraction form
    292,418/607,812 = 607,812/x
  3. Step 3: Cross multiply
    292,418x = 607,812 × 607,812
  4. Step 4: Simplify right side
    292,418x = 369,435,427,344
  5. Step 5: Solve for x
    x = 369,435,427,344/292,418
  6. Step 6: Final answer
    x = 1,263,381.28

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.