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Finding the Third Proportional to 169,279.88 and 399,583.13

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Solution

The third proportional to 169,279.88 and 399,583.13 is: 943,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,279.88 : 399,583.13 = 399,583.13 : x
  2. Step 2: Convert to fraction form
    169,279.88/399,583.13 = 399,583.13/x
  3. Step 3: Cross multiply
    169,279.88x = 399,583.13 × 399,583.13
  4. Step 4: Simplify right side
    169,279.88x = 159,666,673,784.77
  5. Step 5: Solve for x
    x = 159,666,673,784.77/169,279.88
  6. Step 6: Final answer
    x = 943,211.20

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.