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Finding the Third Proportional to 32,989 and 71,161.75

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Solution

The third proportional to 32,989 and 71,161.75 is: 153,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989 : 71,161.75 = 71,161.75 : x
  2. Step 2: Convert to fraction form
    32,989/71,161.75 = 71,161.75/x
  3. Step 3: Cross multiply
    32,989x = 71,161.75 × 71,161.75
  4. Step 4: Simplify right side
    32,989x = 5,063,994,663.06
  5. Step 5: Solve for x
    x = 5,063,994,663.06/32,989
  6. Step 6: Final answer
    x = 153,505.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.