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Finding the Third Proportional to 527,980 and 866,760

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Solution

The third proportional to 527,980 and 866,760 is: 1,422,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,980 : 866,760 = 866,760 : x
  2. Step 2: Convert to fraction form
    527,980/866,760 = 866,760/x
  3. Step 3: Cross multiply
    527,980x = 866,760 × 866,760
  4. Step 4: Simplify right side
    527,980x = 751,272,897,600
  5. Step 5: Solve for x
    x = 751,272,897,600/527,980
  6. Step 6: Final answer
    x = 1,422,919.23

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.