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Finding the Third Proportional to 15,881.06 and 33,870.66

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Solution

The third proportional to 15,881.06 and 33,870.66 is: 72,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.06 : 33,870.66 = 33,870.66 : x
  2. Step 2: Convert to fraction form
    15,881.06/33,870.66 = 33,870.66/x
  3. Step 3: Cross multiply
    15,881.06x = 33,870.66 × 33,870.66
  4. Step 4: Simplify right side
    15,881.06x = 1,147,221,354.81
  5. Step 5: Solve for x
    x = 1,147,221,354.81/15,881.06
  6. Step 6: Final answer
    x = 72,238.33

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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.