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Finding the Third Proportional to 64,542.50 and 92,959

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Solution

The third proportional to 64,542.50 and 92,959 is: 133,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,542.50 : 92,959 = 92,959 : x
  2. Step 2: Convert to fraction form
    64,542.50/92,959 = 92,959/x
  3. Step 3: Cross multiply
    64,542.50x = 92,959 × 92,959
  4. Step 4: Simplify right side
    64,542.50x = 8,641,375,681
  5. Step 5: Solve for x
    x = 8,641,375,681/64,542.50
  6. Step 6: Final answer
    x = 133,886.60

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.