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Finding the Third Proportional to 1,214,536.50 and 1,815,115.50

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Solution

The third proportional to 1,214,536.50 and 1,815,115.50 is: 2,712,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,536.50 : 1,815,115.50 = 1,815,115.50 : x
  2. Step 2: Convert to fraction form
    1,214,536.50/1,815,115.50 = 1,815,115.50/x
  3. Step 3: Cross multiply
    1,214,536.50x = 1,815,115.50 × 1,815,115.50
  4. Step 4: Simplify right side
    1,214,536.50x = 3,294,644,278,340.25
  5. Step 5: Solve for x
    x = 3,294,644,278,340.25/1,214,536.50
  6. Step 6: Final answer
    x = 2,712,676.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.