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Finding the Third Proportional to 297,083 and 641,510

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Solution

The third proportional to 297,083 and 641,510 is: 1,385,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,083 : 641,510 = 641,510 : x
  2. Step 2: Convert to fraction form
    297,083/641,510 = 641,510/x
  3. Step 3: Cross multiply
    297,083x = 641,510 × 641,510
  4. Step 4: Simplify right side
    297,083x = 411,535,080,100
  5. Step 5: Solve for x
    x = 411,535,080,100/297,083
  6. Step 6: Final answer
    x = 1,385,252.88

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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.