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Finding the Third Proportional to 6,985.13 and 15,198.19

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Solution

The third proportional to 6,985.13 and 15,198.19 is: 33,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.13 : 15,198.19 = 15,198.19 : x
  2. Step 2: Convert to fraction form
    6,985.13/15,198.19 = 15,198.19/x
  3. Step 3: Cross multiply
    6,985.13x = 15,198.19 × 15,198.19
  4. Step 4: Simplify right side
    6,985.13x = 230,984,903.29
  5. Step 5: Solve for x
    x = 230,984,903.29/6,985.13
  6. Step 6: Final answer
    x = 33,068.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.