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Finding the Third Proportional to 18,456,442 and 40,386,541

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Solution

The third proportional to 18,456,442 and 40,386,541 is: 88,374,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,442 : 40,386,541 = 40,386,541 : x
  2. Step 2: Convert to fraction form
    18,456,442/40,386,541 = 40,386,541/x
  3. Step 3: Cross multiply
    18,456,442x = 40,386,541 × 40,386,541
  4. Step 4: Simplify right side
    18,456,442x = 1,631,072,693,944,681
  5. Step 5: Solve for x
    x = 1,631,072,693,944,681/18,456,442
  6. Step 6: Final answer
    x = 88,374,167.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.