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Finding the Third Proportional to 1,249,078.50 and 2,687,606

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Solution

The third proportional to 1,249,078.50 and 2,687,606 is: 5,782,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,078.50 : 2,687,606 = 2,687,606 : x
  2. Step 2: Convert to fraction form
    1,249,078.50/2,687,606 = 2,687,606/x
  3. Step 3: Cross multiply
    1,249,078.50x = 2,687,606 × 2,687,606
  4. Step 4: Simplify right side
    1,249,078.50x = 7,223,226,011,236
  5. Step 5: Solve for x
    x = 7,223,226,011,236/1,249,078.50
  6. Step 6: Final answer
    x = 5,782,843.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.