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Finding the Third Proportional to 284,328 and 612,988

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Solution

The third proportional to 284,328 and 612,988 is: 1,321,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,328 : 612,988 = 612,988 : x
  2. Step 2: Convert to fraction form
    284,328/612,988 = 612,988/x
  3. Step 3: Cross multiply
    284,328x = 612,988 × 612,988
  4. Step 4: Simplify right side
    284,328x = 375,754,288,144
  5. Step 5: Solve for x
    x = 375,754,288,144/284,328
  6. Step 6: Final answer
    x = 1,321,552.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.