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Finding the Third Proportional to 1,031,957.44 and 2,188,779.19

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Solution

The third proportional to 1,031,957.44 and 2,188,779.19 is: 4,642,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,957.44 : 2,188,779.19 = 2,188,779.19 : x
  2. Step 2: Convert to fraction form
    1,031,957.44/2,188,779.19 = 2,188,779.19/x
  3. Step 3: Cross multiply
    1,031,957.44x = 2,188,779.19 × 2,188,779.19
  4. Step 4: Simplify right side
    1,031,957.44x = 4,790,754,331,633.16
  5. Step 5: Solve for x
    x = 4,790,754,331,633.16/1,031,957.44
  6. Step 6: Final answer
    x = 4,642,395.27

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.