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Finding the Third Proportional to 332,156 and 487,161

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Solution

The third proportional to 332,156 and 487,161 is: 714,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,156 : 487,161 = 487,161 : x
  2. Step 2: Convert to fraction form
    332,156/487,161 = 487,161/x
  3. Step 3: Cross multiply
    332,156x = 487,161 × 487,161
  4. Step 4: Simplify right side
    332,156x = 237,325,839,921
  5. Step 5: Solve for x
    x = 237,325,839,921/332,156
  6. Step 6: Final answer
    x = 714,501.14

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.