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Finding the Third Proportional to 60,378.75 and 79,417.13

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Solution

The third proportional to 60,378.75 and 79,417.13 is: 104,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,378.75 : 79,417.13 = 79,417.13 : x
  2. Step 2: Convert to fraction form
    60,378.75/79,417.13 = 79,417.13/x
  3. Step 3: Cross multiply
    60,378.75x = 79,417.13 × 79,417.13
  4. Step 4: Simplify right side
    60,378.75x = 6,307,079,743.27
  5. Step 5: Solve for x
    x = 6,307,079,743.27/60,378.75
  6. Step 6: Final answer
    x = 104,458.60

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.