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Finding the Third Proportional to 3,484.31 and 7,515.19

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Solution

The third proportional to 3,484.31 and 7,515.19 is: 16,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.31 : 7,515.19 = 7,515.19 : x
  2. Step 2: Convert to fraction form
    3,484.31/7,515.19 = 7,515.19/x
  3. Step 3: Cross multiply
    3,484.31x = 7,515.19 × 7,515.19
  4. Step 4: Simplify right side
    3,484.31x = 56,478,043.16
  5. Step 5: Solve for x
    x = 56,478,043.16/3,484.31
  6. Step 6: Final answer
    x = 16,209.24

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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.