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Finding the Third Proportional to 351,620 and 544,878

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Solution

The third proportional to 351,620 and 544,878 is: 844,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,620 : 544,878 = 544,878 : x
  2. Step 2: Convert to fraction form
    351,620/544,878 = 544,878/x
  3. Step 3: Cross multiply
    351,620x = 544,878 × 544,878
  4. Step 4: Simplify right side
    351,620x = 296,892,034,884
  5. Step 5: Solve for x
    x = 296,892,034,884/351,620
  6. Step 6: Final answer
    x = 844,354.80

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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.