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Finding the Third Proportional to 342,378.50 and 763,435

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Solution

The third proportional to 342,378.50 and 763,435 is: 1,702,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,378.50 : 763,435 = 763,435 : x
  2. Step 2: Convert to fraction form
    342,378.50/763,435 = 763,435/x
  3. Step 3: Cross multiply
    342,378.50x = 763,435 × 763,435
  4. Step 4: Simplify right side
    342,378.50x = 582,832,999,225
  5. Step 5: Solve for x
    x = 582,832,999,225/342,378.50
  6. Step 6: Final answer
    x = 1,702,306.07

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.