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Finding the Third Proportional to 6,967.81 and 15,319.38

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Solution

The third proportional to 6,967.81 and 15,319.38 is: 33,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.81 : 15,319.38 = 15,319.38 : x
  2. Step 2: Convert to fraction form
    6,967.81/15,319.38 = 15,319.38/x
  3. Step 3: Cross multiply
    6,967.81x = 15,319.38 × 15,319.38
  4. Step 4: Simplify right side
    6,967.81x = 234,683,250.39
  5. Step 5: Solve for x
    x = 234,683,250.39/6,967.81
  6. Step 6: Final answer
    x = 33,681.05

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.