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Finding the Third Proportional to 57,534 and 77,732

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Solution

The third proportional to 57,534 and 77,732 is: 105,020.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,534 : 77,732 = 77,732 : x
  2. Step 2: Convert to fraction form
    57,534/77,732 = 77,732/x
  3. Step 3: Cross multiply
    57,534x = 77,732 × 77,732
  4. Step 4: Simplify right side
    57,534x = 6,042,263,824
  5. Step 5: Solve for x
    x = 6,042,263,824/57,534
  6. Step 6: Final answer
    x = 105,020.75

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.