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Finding the Third Proportional to 142,508 and 225,646

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Solution

The third proportional to 142,508 and 225,646 is: 357,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,508 : 225,646 = 225,646 : x
  2. Step 2: Convert to fraction form
    142,508/225,646 = 225,646/x
  3. Step 3: Cross multiply
    142,508x = 225,646 × 225,646
  4. Step 4: Simplify right side
    142,508x = 50,916,117,316
  5. Step 5: Solve for x
    x = 50,916,117,316/142,508
  6. Step 6: Final answer
    x = 357,286.03

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.