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Finding the Third Proportional to 864,229.50 and 1,240,575.75

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Solution

The third proportional to 864,229.50 and 1,240,575.75 is: 1,780,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,229.50 : 1,240,575.75 = 1,240,575.75 : x
  2. Step 2: Convert to fraction form
    864,229.50/1,240,575.75 = 1,240,575.75/x
  3. Step 3: Cross multiply
    864,229.50x = 1,240,575.75 × 1,240,575.75
  4. Step 4: Simplify right side
    864,229.50x = 1,539,028,191,488.06
  5. Step 5: Solve for x
    x = 1,539,028,191,488.06/864,229.50
  6. Step 6: Final answer
    x = 1,780,809.60

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.