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Finding the Third Proportional to 284,038 and 618,188

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Solution

The third proportional to 284,038 and 618,188 is: 1,345,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,038 : 618,188 = 618,188 : x
  2. Step 2: Convert to fraction form
    284,038/618,188 = 618,188/x
  3. Step 3: Cross multiply
    284,038x = 618,188 × 618,188
  4. Step 4: Simplify right side
    284,038x = 382,156,403,344
  5. Step 5: Solve for x
    x = 382,156,403,344/284,038
  6. Step 6: Final answer
    x = 1,345,441.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.