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Finding the Third Proportional to 147,730 and 324,181

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Solution

The third proportional to 147,730 and 324,181 is: 711,387.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,730 : 324,181 = 324,181 : x
  2. Step 2: Convert to fraction form
    147,730/324,181 = 324,181/x
  3. Step 3: Cross multiply
    147,730x = 324,181 × 324,181
  4. Step 4: Simplify right side
    147,730x = 105,093,320,761
  5. Step 5: Solve for x
    x = 105,093,320,761/147,730
  6. Step 6: Final answer
    x = 711,387.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.