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Finding the Third Proportional to 83,160 and 127,815

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Solution

The third proportional to 83,160 and 127,815 is: 196,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,160 : 127,815 = 127,815 : x
  2. Step 2: Convert to fraction form
    83,160/127,815 = 127,815/x
  3. Step 3: Cross multiply
    83,160x = 127,815 × 127,815
  4. Step 4: Simplify right side
    83,160x = 16,336,674,225
  5. Step 5: Solve for x
    x = 16,336,674,225/83,160
  6. Step 6: Final answer
    x = 196,448.70

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.