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Finding the Third Proportional to 350,518.50 and 762,543

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Solution

The third proportional to 350,518.50 and 762,543 is: 1,658,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,518.50 : 762,543 = 762,543 : x
  2. Step 2: Convert to fraction form
    350,518.50/762,543 = 762,543/x
  3. Step 3: Cross multiply
    350,518.50x = 762,543 × 762,543
  4. Step 4: Simplify right side
    350,518.50x = 581,471,826,849
  5. Step 5: Solve for x
    x = 581,471,826,849/350,518.50
  6. Step 6: Final answer
    x = 1,658,890.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.