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Finding the Third Proportional to 216,228 and 464,426

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Solution

The third proportional to 216,228 and 464,426 is: 997,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,228 : 464,426 = 464,426 : x
  2. Step 2: Convert to fraction form
    216,228/464,426 = 464,426/x
  3. Step 3: Cross multiply
    216,228x = 464,426 × 464,426
  4. Step 4: Simplify right side
    216,228x = 215,691,509,476
  5. Step 5: Solve for x
    x = 215,691,509,476/216,228
  6. Step 6: Final answer
    x = 997,518.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.