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Finding the Third Proportional to 66,529 and 100,484

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Solution

The third proportional to 66,529 and 100,484 is: 151,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529 : 100,484 = 100,484 : x
  2. Step 2: Convert to fraction form
    66,529/100,484 = 100,484/x
  3. Step 3: Cross multiply
    66,529x = 100,484 × 100,484
  4. Step 4: Simplify right side
    66,529x = 10,097,034,256
  5. Step 5: Solve for x
    x = 10,097,034,256/66,529
  6. Step 6: Final answer
    x = 151,768.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.