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Finding the Third Proportional to 102,239 and 156,928

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Solution

The third proportional to 102,239 and 156,928 is: 240,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,239 : 156,928 = 156,928 : x
  2. Step 2: Convert to fraction form
    102,239/156,928 = 156,928/x
  3. Step 3: Cross multiply
    102,239x = 156,928 × 156,928
  4. Step 4: Simplify right side
    102,239x = 24,626,397,184
  5. Step 5: Solve for x
    x = 24,626,397,184/102,239
  6. Step 6: Final answer
    x = 240,870.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.