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Finding the Third Proportional to 79,381.27 and 169,680.45

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Solution

The third proportional to 79,381.27 and 169,680.45 is: 362,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,381.27 : 169,680.45 = 169,680.45 : x
  2. Step 2: Convert to fraction form
    79,381.27/169,680.45 = 169,680.45/x
  3. Step 3: Cross multiply
    79,381.27x = 169,680.45 × 169,680.45
  4. Step 4: Simplify right side
    79,381.27x = 28,791,453,521.45
  5. Step 5: Solve for x
    x = 28,791,453,521.45/79,381.27
  6. Step 6: Final answer
    x = 362,698.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.