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Finding the Third Proportional to 71,008 and 109,947

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Solution

The third proportional to 71,008 and 109,947 is: 170,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008 : 109,947 = 109,947 : x
  2. Step 2: Convert to fraction form
    71,008/109,947 = 109,947/x
  3. Step 3: Cross multiply
    71,008x = 109,947 × 109,947
  4. Step 4: Simplify right side
    71,008x = 12,088,342,809
  5. Step 5: Solve for x
    x = 12,088,342,809/71,008
  6. Step 6: Final answer
    x = 170,239.17

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.