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Finding the Third Proportional to 57,570.75 and 77,851.13

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Solution

The third proportional to 57,570.75 and 77,851.13 is: 105,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,570.75 : 77,851.13 = 77,851.13 : x
  2. Step 2: Convert to fraction form
    57,570.75/77,851.13 = 77,851.13/x
  3. Step 3: Cross multiply
    57,570.75x = 77,851.13 × 77,851.13
  4. Step 4: Simplify right side
    57,570.75x = 6,060,797,663.77
  5. Step 5: Solve for x
    x = 6,060,797,663.77/57,570.75
  6. Step 6: Final answer
    x = 105,275.64

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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.