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Finding the Third Proportional to 57,242 and 83,264

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Solution

The third proportional to 57,242 and 83,264 is: 121,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,242 : 83,264 = 83,264 : x
  2. Step 2: Convert to fraction form
    57,242/83,264 = 83,264/x
  3. Step 3: Cross multiply
    57,242x = 83,264 × 83,264
  4. Step 4: Simplify right side
    57,242x = 6,932,893,696
  5. Step 5: Solve for x
    x = 6,932,893,696/57,242
  6. Step 6: Final answer
    x = 121,115.50

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.