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Finding the Third Proportional to 15,404,134.50 and 21,534,842.25

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Solution

The third proportional to 15,404,134.50 and 21,534,842.25 is: 30,105,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,134.50 : 21,534,842.25 = 21,534,842.25 : x
  2. Step 2: Convert to fraction form
    15,404,134.50/21,534,842.25 = 21,534,842.25/x
  3. Step 3: Cross multiply
    15,404,134.50x = 21,534,842.25 × 21,534,842.25
  4. Step 4: Simplify right side
    15,404,134.50x = 463,749,430,732,385.06
  5. Step 5: Solve for x
    x = 463,749,430,732,385.06/15,404,134.50
  6. Step 6: Final answer
    x = 30,105,516.85

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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.