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Finding the Third Proportional to 15,621.38 and 33,703.13

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Solution

The third proportional to 15,621.38 and 33,703.13 is: 72,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.38 : 33,703.13 = 33,703.13 : x
  2. Step 2: Convert to fraction form
    15,621.38/33,703.13 = 33,703.13/x
  3. Step 3: Cross multiply
    15,621.38x = 33,703.13 × 33,703.13
  4. Step 4: Simplify right side
    15,621.38x = 1,135,900,634.77
  5. Step 5: Solve for x
    x = 1,135,900,634.77/15,621.38
  6. Step 6: Final answer
    x = 72,714.51

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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.