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Finding the Third Proportional to 2,587,031 and 5,442,208

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Solution

The third proportional to 2,587,031 and 5,442,208 is: 11,448,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,031 : 5,442,208 = 5,442,208 : x
  2. Step 2: Convert to fraction form
    2,587,031/5,442,208 = 5,442,208/x
  3. Step 3: Cross multiply
    2,587,031x = 5,442,208 × 5,442,208
  4. Step 4: Simplify right side
    2,587,031x = 29,617,627,915,264
  5. Step 5: Solve for x
    x = 29,617,627,915,264/2,587,031
  6. Step 6: Final answer
    x = 11,448,501.36

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.