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Finding the Third Proportional to 127,764 and 193,428

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Solution

The third proportional to 127,764 and 193,428 is: 292,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,764 : 193,428 = 193,428 : x
  2. Step 2: Convert to fraction form
    127,764/193,428 = 193,428/x
  3. Step 3: Cross multiply
    127,764x = 193,428 × 193,428
  4. Step 4: Simplify right side
    127,764x = 37,414,391,184
  5. Step 5: Solve for x
    x = 37,414,391,184/127,764
  6. Step 6: Final answer
    x = 292,839.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.