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Finding the Third Proportional to 65,655.56 and 84,999.38

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Solution

The third proportional to 65,655.56 and 84,999.38 is: 110,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,655.56 : 84,999.38 = 84,999.38 : x
  2. Step 2: Convert to fraction form
    65,655.56/84,999.38 = 84,999.38/x
  3. Step 3: Cross multiply
    65,655.56x = 84,999.38 × 84,999.38
  4. Step 4: Simplify right side
    65,655.56x = 7,224,893,750.39
  5. Step 5: Solve for x
    x = 7,224,893,750.39/65,655.56
  6. Step 6: Final answer
    x = 110,042.37

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.