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Finding the Third Proportional to 1,749,919.50 and 3,639,517.50

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Solution

The third proportional to 1,749,919.50 and 3,639,517.50 is: 7,569,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,919.50 : 3,639,517.50 = 3,639,517.50 : x
  2. Step 2: Convert to fraction form
    1,749,919.50/3,639,517.50 = 3,639,517.50/x
  3. Step 3: Cross multiply
    1,749,919.50x = 3,639,517.50 × 3,639,517.50
  4. Step 4: Simplify right side
    1,749,919.50x = 13,246,087,632,806.25
  5. Step 5: Solve for x
    x = 13,246,087,632,806.25/1,749,919.50
  6. Step 6: Final answer
    x = 7,569,541.13

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.