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Finding the Third Proportional to 71,762 and 157,156

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Solution

The third proportional to 71,762 and 157,156 is: 344,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,762 : 157,156 = 157,156 : x
  2. Step 2: Convert to fraction form
    71,762/157,156 = 157,156/x
  3. Step 3: Cross multiply
    71,762x = 157,156 × 157,156
  4. Step 4: Simplify right side
    71,762x = 24,698,008,336
  5. Step 5: Solve for x
    x = 24,698,008,336/71,762
  6. Step 6: Final answer
    x = 344,165.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.