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Finding the Third Proportional to 688,449.50 and 1,491,271

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Solution

The third proportional to 688,449.50 and 1,491,271 is: 3,230,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,449.50 : 1,491,271 = 1,491,271 : x
  2. Step 2: Convert to fraction form
    688,449.50/1,491,271 = 1,491,271/x
  3. Step 3: Cross multiply
    688,449.50x = 1,491,271 × 1,491,271
  4. Step 4: Simplify right side
    688,449.50x = 2,223,889,195,441
  5. Step 5: Solve for x
    x = 2,223,889,195,441/688,449.50
  6. Step 6: Final answer
    x = 3,230,286.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.