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Finding the Third Proportional to 1,682,290 and 2,643,963.50

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Solution

The third proportional to 1,682,290 and 2,643,963.50 is: 4,155,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,290 : 2,643,963.50 = 2,643,963.50 : x
  2. Step 2: Convert to fraction form
    1,682,290/2,643,963.50 = 2,643,963.50/x
  3. Step 3: Cross multiply
    1,682,290x = 2,643,963.50 × 2,643,963.50
  4. Step 4: Simplify right side
    1,682,290x = 6,990,542,989,332.25
  5. Step 5: Solve for x
    x = 6,990,542,989,332.25/1,682,290
  6. Step 6: Final answer
    x = 4,155,373.32

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.