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Finding the Third Proportional to 56,778.75 and 121,503.38

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Solution

The third proportional to 56,778.75 and 121,503.38 is: 260,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,778.75 : 121,503.38 = 121,503.38 : x
  2. Step 2: Convert to fraction form
    56,778.75/121,503.38 = 121,503.38/x
  3. Step 3: Cross multiply
    56,778.75x = 121,503.38 × 121,503.38
  4. Step 4: Simplify right side
    56,778.75x = 14,763,070,136.39
  5. Step 5: Solve for x
    x = 14,763,070,136.39/56,778.75
  6. Step 6: Final answer
    x = 260,010.48

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.