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Finding the Third Proportional to 92,160 and 135,216

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Solution

The third proportional to 92,160 and 135,216 is: 198,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,160 : 135,216 = 135,216 : x
  2. Step 2: Convert to fraction form
    92,160/135,216 = 135,216/x
  3. Step 3: Cross multiply
    92,160x = 135,216 × 135,216
  4. Step 4: Simplify right side
    92,160x = 18,283,366,656
  5. Step 5: Solve for x
    x = 18,283,366,656/92,160
  6. Step 6: Final answer
    x = 198,387.23

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.