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Finding the Third Proportional to 1,142,803.50 and 2,488,791

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Solution

The third proportional to 1,142,803.50 and 2,488,791 is: 5,420,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,803.50 : 2,488,791 = 2,488,791 : x
  2. Step 2: Convert to fraction form
    1,142,803.50/2,488,791 = 2,488,791/x
  3. Step 3: Cross multiply
    1,142,803.50x = 2,488,791 × 2,488,791
  4. Step 4: Simplify right side
    1,142,803.50x = 6,194,080,641,681
  5. Step 5: Solve for x
    x = 6,194,080,641,681/1,142,803.50
  6. Step 6: Final answer
    x = 5,420,074.97

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.