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Finding the Third Proportional to 85,843.13 and 130,762.69

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Solution

The third proportional to 85,843.13 and 130,762.69 is: 199,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,843.13 : 130,762.69 = 130,762.69 : x
  2. Step 2: Convert to fraction form
    85,843.13/130,762.69 = 130,762.69/x
  3. Step 3: Cross multiply
    85,843.13x = 130,762.69 × 130,762.69
  4. Step 4: Simplify right side
    85,843.13x = 17,098,880,442.22
  5. Step 5: Solve for x
    x = 17,098,880,442.22/85,843.13
  6. Step 6: Final answer
    x = 199,187.53

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.