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Finding the Third Proportional to 10,542,431 and 16,291,457

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Solution

The third proportional to 10,542,431 and 16,291,457 is: 25,175,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,431 : 16,291,457 = 16,291,457 : x
  2. Step 2: Convert to fraction form
    10,542,431/16,291,457 = 16,291,457/x
  3. Step 3: Cross multiply
    10,542,431x = 16,291,457 × 16,291,457
  4. Step 4: Simplify right side
    10,542,431x = 265,411,571,182,849
  5. Step 5: Solve for x
    x = 265,411,571,182,849/10,542,431
  6. Step 6: Final answer
    x = 25,175,556.87

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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.