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Finding the Third Proportional to 254,418 and 502,440

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Solution

The third proportional to 254,418 and 502,440 is: 992,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,418 : 502,440 = 502,440 : x
  2. Step 2: Convert to fraction form
    254,418/502,440 = 502,440/x
  3. Step 3: Cross multiply
    254,418x = 502,440 × 502,440
  4. Step 4: Simplify right side
    254,418x = 252,445,953,600
  5. Step 5: Solve for x
    x = 252,445,953,600/254,418
  6. Step 6: Final answer
    x = 992,248.79

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.