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Finding the Third Proportional to 147,231 and 318,006

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Solution

The third proportional to 147,231 and 318,006 is: 686,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,231 : 318,006 = 318,006 : x
  2. Step 2: Convert to fraction form
    147,231/318,006 = 318,006/x
  3. Step 3: Cross multiply
    147,231x = 318,006 × 318,006
  4. Step 4: Simplify right side
    147,231x = 101,127,816,036
  5. Step 5: Solve for x
    x = 101,127,816,036/147,231
  6. Step 6: Final answer
    x = 686,864.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.