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Finding the Third Proportional to 609,432.75 and 1,312,519.50

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Solution

The third proportional to 609,432.75 and 1,312,519.50 is: 2,826,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,432.75 : 1,312,519.50 = 1,312,519.50 : x
  2. Step 2: Convert to fraction form
    609,432.75/1,312,519.50 = 1,312,519.50/x
  3. Step 3: Cross multiply
    609,432.75x = 1,312,519.50 × 1,312,519.50
  4. Step 4: Simplify right side
    609,432.75x = 1,722,707,437,880.25
  5. Step 5: Solve for x
    x = 1,722,707,437,880.25/609,432.75
  6. Step 6: Final answer
    x = 2,826,739.19

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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.