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Finding the Third Proportional to 260,307 and 527,857.50

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Solution

The third proportional to 260,307 and 527,857.50 is: 1,070,403.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,307 : 527,857.50 = 527,857.50 : x
  2. Step 2: Convert to fraction form
    260,307/527,857.50 = 527,857.50/x
  3. Step 3: Cross multiply
    260,307x = 527,857.50 × 527,857.50
  4. Step 4: Simplify right side
    260,307x = 278,633,540,306.25
  5. Step 5: Solve for x
    x = 278,633,540,306.25/260,307
  6. Step 6: Final answer
    x = 1,070,403.56

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.