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Finding the Third Proportional to 2,105,543.25 and 3,390,867

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Solution

The third proportional to 2,105,543.25 and 3,390,867 is: 5,460,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,543.25 : 3,390,867 = 3,390,867 : x
  2. Step 2: Convert to fraction form
    2,105,543.25/3,390,867 = 3,390,867/x
  3. Step 3: Cross multiply
    2,105,543.25x = 3,390,867 × 3,390,867
  4. Step 4: Simplify right side
    2,105,543.25x = 11,497,979,011,689
  5. Step 5: Solve for x
    x = 11,497,979,011,689/2,105,543.25
  6. Step 6: Final answer
    x = 5,460,813.50

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.