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Finding the Third Proportional to 427,674 and 928,200

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Solution

The third proportional to 427,674 and 928,200 is: 2,014,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,674 : 928,200 = 928,200 : x
  2. Step 2: Convert to fraction form
    427,674/928,200 = 928,200/x
  3. Step 3: Cross multiply
    427,674x = 928,200 × 928,200
  4. Step 4: Simplify right side
    427,674x = 861,555,240,000
  5. Step 5: Solve for x
    x = 861,555,240,000/427,674
  6. Step 6: Final answer
    x = 2,014,513.95

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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.