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Finding the Third Proportional to 2,649,039.75 and 5,721,567.75

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Solution

The third proportional to 2,649,039.75 and 5,721,567.75 is: 12,357,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,039.75 : 5,721,567.75 = 5,721,567.75 : x
  2. Step 2: Convert to fraction form
    2,649,039.75/5,721,567.75 = 5,721,567.75/x
  3. Step 3: Cross multiply
    2,649,039.75x = 5,721,567.75 × 5,721,567.75
  4. Step 4: Simplify right side
    2,649,039.75x = 32,736,337,517,840.06
  5. Step 5: Solve for x
    x = 32,736,337,517,840.06/2,649,039.75
  6. Step 6: Final answer
    x = 12,357,812.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.