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Finding the Third Proportional to 80,645.63 and 118,189.13

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Solution

The third proportional to 80,645.63 and 118,189.13 is: 173,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.63 : 118,189.13 = 118,189.13 : x
  2. Step 2: Convert to fraction form
    80,645.63/118,189.13 = 118,189.13/x
  3. Step 3: Cross multiply
    80,645.63x = 118,189.13 × 118,189.13
  4. Step 4: Simplify right side
    80,645.63x = 13,968,669,268.27
  5. Step 5: Solve for x
    x = 13,968,669,268.27/80,645.63
  6. Step 6: Final answer
    x = 173,210.50

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.