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Finding the Third Proportional to 152,431.88 and 335,031.19

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Solution

The third proportional to 152,431.88 and 335,031.19 is: 736,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,431.88 : 335,031.19 = 335,031.19 : x
  2. Step 2: Convert to fraction form
    152,431.88/335,031.19 = 335,031.19/x
  3. Step 3: Cross multiply
    152,431.88x = 335,031.19 × 335,031.19
  4. Step 4: Simplify right side
    152,431.88x = 112,245,896,597.66
  5. Step 5: Solve for x
    x = 112,245,896,597.66/152,431.88
  6. Step 6: Final answer
    x = 736,367.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.