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Finding the Third Proportional to 102,048 and 156,328

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Solution

The third proportional to 102,048 and 156,328 is: 239,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,048 : 156,328 = 156,328 : x
  2. Step 2: Convert to fraction form
    102,048/156,328 = 156,328/x
  3. Step 3: Cross multiply
    102,048x = 156,328 × 156,328
  4. Step 4: Simplify right side
    102,048x = 24,438,443,584
  5. Step 5: Solve for x
    x = 24,438,443,584/102,048
  6. Step 6: Final answer
    x = 239,479.89

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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.