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Finding the Third Proportional to 284,850 and 442,829

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Solution

The third proportional to 284,850 and 442,829 is: 688,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,850 : 442,829 = 442,829 : x
  2. Step 2: Convert to fraction form
    284,850/442,829 = 442,829/x
  3. Step 3: Cross multiply
    284,850x = 442,829 × 442,829
  4. Step 4: Simplify right side
    284,850x = 196,097,523,241
  5. Step 5: Solve for x
    x = 196,097,523,241/284,850
  6. Step 6: Final answer
    x = 688,423.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.