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Finding the Third Proportional to 8,682.19 and 13,384.13

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Solution

The third proportional to 8,682.19 and 13,384.13 is: 20,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.19 : 13,384.13 = 13,384.13 : x
  2. Step 2: Convert to fraction form
    8,682.19/13,384.13 = 13,384.13/x
  3. Step 3: Cross multiply
    8,682.19x = 13,384.13 × 13,384.13
  4. Step 4: Simplify right side
    8,682.19x = 179,134,802.02
  5. Step 5: Solve for x
    x = 179,134,802.02/8,682.19
  6. Step 6: Final answer
    x = 20,632.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.