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Finding the Third Proportional to 75,377 and 156,957

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Solution

The third proportional to 75,377 and 156,957 is: 326,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,377 : 156,957 = 156,957 : x
  2. Step 2: Convert to fraction form
    75,377/156,957 = 156,957/x
  3. Step 3: Cross multiply
    75,377x = 156,957 × 156,957
  4. Step 4: Simplify right side
    75,377x = 24,635,499,849
  5. Step 5: Solve for x
    x = 24,635,499,849/75,377
  6. Step 6: Final answer
    x = 326,830.46

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.