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Finding the Third Proportional to 319,326.75 and 443,995.88

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Solution

The third proportional to 319,326.75 and 443,995.88 is: 617,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,326.75 : 443,995.88 = 443,995.88 : x
  2. Step 2: Convert to fraction form
    319,326.75/443,995.88 = 443,995.88/x
  3. Step 3: Cross multiply
    319,326.75x = 443,995.88 × 443,995.88
  4. Step 4: Simplify right side
    319,326.75x = 197,132,337,017.02
  5. Step 5: Solve for x
    x = 197,132,337,017.02/319,326.75
  6. Step 6: Final answer
    x = 617,337.37

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.