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Finding the Third Proportional to 86,180.63 and 133,781.63

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Solution

The third proportional to 86,180.63 and 133,781.63 is: 207,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,180.63 : 133,781.63 = 133,781.63 : x
  2. Step 2: Convert to fraction form
    86,180.63/133,781.63 = 133,781.63/x
  3. Step 3: Cross multiply
    86,180.63x = 133,781.63 × 133,781.63
  4. Step 4: Simplify right side
    86,180.63x = 17,897,523,187.64
  5. Step 5: Solve for x
    x = 17,897,523,187.64/86,180.63
  6. Step 6: Final answer
    x = 207,674.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.