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Finding the Third Proportional to 55,360.13 and 117,640.69

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Solution

The third proportional to 55,360.13 and 117,640.69 is: 249,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360.13 : 117,640.69 = 117,640.69 : x
  2. Step 2: Convert to fraction form
    55,360.13/117,640.69 = 117,640.69/x
  3. Step 3: Cross multiply
    55,360.13x = 117,640.69 × 117,640.69
  4. Step 4: Simplify right side
    55,360.13x = 13,839,331,355.47
  5. Step 5: Solve for x
    x = 13,839,331,355.47/55,360.13
  6. Step 6: Final answer
    x = 249,987.36

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.