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Finding the Third Proportional to 68,592 and 92,640

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Solution

The third proportional to 68,592 and 92,640 is: 125,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,592 : 92,640 = 92,640 : x
  2. Step 2: Convert to fraction form
    68,592/92,640 = 92,640/x
  3. Step 3: Cross multiply
    68,592x = 92,640 × 92,640
  4. Step 4: Simplify right side
    68,592x = 8,582,169,600
  5. Step 5: Solve for x
    x = 8,582,169,600/68,592
  6. Step 6: Final answer
    x = 125,119.10

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.