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Finding the Third Proportional to 63,911.25 and 100,038.38

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Solution

The third proportional to 63,911.25 and 100,038.38 is: 156,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,911.25 : 100,038.38 = 100,038.38 : x
  2. Step 2: Convert to fraction form
    63,911.25/100,038.38 = 100,038.38/x
  3. Step 3: Cross multiply
    63,911.25x = 100,038.38 × 100,038.38
  4. Step 4: Simplify right side
    63,911.25x = 10,007,676,472.64
  5. Step 5: Solve for x
    x = 10,007,676,472.64/63,911.25
  6. Step 6: Final answer
    x = 156,587.09

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.