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Finding the Third Proportional to 15,132,744 and 21,234,237

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Solution

The third proportional to 15,132,744 and 21,234,237 is: 29,795,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132,744 : 21,234,237 = 21,234,237 : x
  2. Step 2: Convert to fraction form
    15,132,744/21,234,237 = 21,234,237/x
  3. Step 3: Cross multiply
    15,132,744x = 21,234,237 × 21,234,237
  4. Step 4: Simplify right side
    15,132,744x = 450,892,820,972,169
  5. Step 5: Solve for x
    x = 450,892,820,972,169/15,132,744
  6. Step 6: Final answer
    x = 29,795,840.13

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.