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Finding the Third Proportional to 10,542,438 and 16,291,468

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Solution

The third proportional to 10,542,438 and 16,291,468 is: 25,175,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,438 : 16,291,468 = 16,291,468 : x
  2. Step 2: Convert to fraction form
    10,542,438/16,291,468 = 16,291,468/x
  3. Step 3: Cross multiply
    10,542,438x = 16,291,468 × 16,291,468
  4. Step 4: Simplify right side
    10,542,438x = 265,411,929,595,024
  5. Step 5: Solve for x
    x = 265,411,929,595,024/10,542,438
  6. Step 6: Final answer
    x = 25,175,574.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.