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Finding the Third Proportional to 155,747 and 335,188

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Solution

The third proportional to 155,747 and 335,188 is: 721,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,747 : 335,188 = 335,188 : x
  2. Step 2: Convert to fraction form
    155,747/335,188 = 335,188/x
  3. Step 3: Cross multiply
    155,747x = 335,188 × 335,188
  4. Step 4: Simplify right side
    155,747x = 112,350,995,344
  5. Step 5: Solve for x
    x = 112,350,995,344/155,747
  6. Step 6: Final answer
    x = 721,368.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.