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Finding the Third Proportional to 1,638,345.75 and 2,457,517.50

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Solution

The third proportional to 1,638,345.75 and 2,457,517.50 is: 3,686,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,345.75 : 2,457,517.50 = 2,457,517.50 : x
  2. Step 2: Convert to fraction form
    1,638,345.75/2,457,517.50 = 2,457,517.50/x
  3. Step 3: Cross multiply
    1,638,345.75x = 2,457,517.50 × 2,457,517.50
  4. Step 4: Simplify right side
    1,638,345.75x = 6,039,392,262,806.25
  5. Step 5: Solve for x
    x = 6,039,392,262,806.25/1,638,345.75
  6. Step 6: Final answer
    x = 3,686,274.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.