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Finding the Third Proportional to 69,112.13 and 97,390.13

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Solution

The third proportional to 69,112.13 and 97,390.13 is: 137,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,112.13 : 97,390.13 = 97,390.13 : x
  2. Step 2: Convert to fraction form
    69,112.13/97,390.13 = 97,390.13/x
  3. Step 3: Cross multiply
    69,112.13x = 97,390.13 × 97,390.13
  4. Step 4: Simplify right side
    69,112.13x = 9,484,836,447.52
  5. Step 5: Solve for x
    x = 9,484,836,447.52/69,112.13
  6. Step 6: Final answer
    x = 137,238.39

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.