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Finding the Third Proportional to 66,996 and 92,292

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Solution

The third proportional to 66,996 and 92,292 is: 127,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,996 : 92,292 = 92,292 : x
  2. Step 2: Convert to fraction form
    66,996/92,292 = 92,292/x
  3. Step 3: Cross multiply
    66,996x = 92,292 × 92,292
  4. Step 4: Simplify right side
    66,996x = 8,517,813,264
  5. Step 5: Solve for x
    x = 8,517,813,264/66,996
  6. Step 6: Final answer
    x = 127,139.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.