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Finding the Third Proportional to 579,964.50 and 887,280.75

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Solution

The third proportional to 579,964.50 and 887,280.75 is: 1,357,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,964.50 : 887,280.75 = 887,280.75 : x
  2. Step 2: Convert to fraction form
    579,964.50/887,280.75 = 887,280.75/x
  3. Step 3: Cross multiply
    579,964.50x = 887,280.75 × 887,280.75
  4. Step 4: Simplify right side
    579,964.50x = 787,267,129,320.56
  5. Step 5: Solve for x
    x = 787,267,129,320.56/579,964.50
  6. Step 6: Final answer
    x = 1,357,440.20

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.