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Finding the Third Proportional to 10,010 and 15,407

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Solution

The third proportional to 10,010 and 15,407 is: 23,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010 : 15,407 = 15,407 : x
  2. Step 2: Convert to fraction form
    10,010/15,407 = 15,407/x
  3. Step 3: Cross multiply
    10,010x = 15,407 × 15,407
  4. Step 4: Simplify right side
    10,010x = 237,375,649
  5. Step 5: Solve for x
    x = 237,375,649/10,010
  6. Step 6: Final answer
    x = 23,713.85

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.