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Finding the Third Proportional to 63,574 and 87,260

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Solution

The third proportional to 63,574 and 87,260 is: 119,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,574 : 87,260 = 87,260 : x
  2. Step 2: Convert to fraction form
    63,574/87,260 = 87,260/x
  3. Step 3: Cross multiply
    63,574x = 87,260 × 87,260
  4. Step 4: Simplify right side
    63,574x = 7,614,307,600
  5. Step 5: Solve for x
    x = 7,614,307,600/63,574
  6. Step 6: Final answer
    x = 119,770.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.