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Finding the Third Proportional to 77,279.06 and 162,860.63

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Solution

The third proportional to 77,279.06 and 162,860.63 is: 343,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,279.06 : 162,860.63 = 162,860.63 : x
  2. Step 2: Convert to fraction form
    77,279.06/162,860.63 = 162,860.63/x
  3. Step 3: Cross multiply
    77,279.06x = 162,860.63 × 162,860.63
  4. Step 4: Simplify right side
    77,279.06x = 26,523,583,175.39
  5. Step 5: Solve for x
    x = 26,523,583,175.39/77,279.06
  6. Step 6: Final answer
    x = 343,218.23

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.