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Finding the Third Proportional to 75,792 and 113,688

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Solution

The third proportional to 75,792 and 113,688 is: 170,532

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,792 : 113,688 = 113,688 : x
  2. Step 2: Convert to fraction form
    75,792/113,688 = 113,688/x
  3. Step 3: Cross multiply
    75,792x = 113,688 × 113,688
  4. Step 4: Simplify right side
    75,792x = 12,924,961,344
  5. Step 5: Solve for x
    x = 12,924,961,344/75,792
  6. Step 6: Final answer
    x = 170,532

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.