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Finding the Third Proportional to 1,137,067.50 and 2,487,781.50

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Solution

The third proportional to 1,137,067.50 and 2,487,781.50 is: 5,442,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,067.50 : 2,487,781.50 = 2,487,781.50 : x
  2. Step 2: Convert to fraction form
    1,137,067.50/2,487,781.50 = 2,487,781.50/x
  3. Step 3: Cross multiply
    1,137,067.50x = 2,487,781.50 × 2,487,781.50
  4. Step 4: Simplify right side
    1,137,067.50x = 6,189,056,791,742.25
  5. Step 5: Solve for x
    x = 6,189,056,791,742.25/1,137,067.50
  6. Step 6: Final answer
    x = 5,442,998.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.