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Finding the Third Proportional to 88,699.22 and 137,720.25

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Solution

The third proportional to 88,699.22 and 137,720.25 is: 213,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,699.22 : 137,720.25 = 137,720.25 : x
  2. Step 2: Convert to fraction form
    88,699.22/137,720.25 = 137,720.25/x
  3. Step 3: Cross multiply
    88,699.22x = 137,720.25 × 137,720.25
  4. Step 4: Simplify right side
    88,699.22x = 18,966,867,260.06
  5. Step 5: Solve for x
    x = 18,966,867,260.06/88,699.22
  6. Step 6: Final answer
    x = 213,833.53

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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.