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Finding the Third Proportional to 5,582,172 and 12,019,691

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Solution

The third proportional to 5,582,172 and 12,019,691 is: 25,881,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582,172 : 12,019,691 = 12,019,691 : x
  2. Step 2: Convert to fraction form
    5,582,172/12,019,691 = 12,019,691/x
  3. Step 3: Cross multiply
    5,582,172x = 12,019,691 × 12,019,691
  4. Step 4: Simplify right side
    5,582,172x = 144,472,971,735,481
  5. Step 5: Solve for x
    x = 144,472,971,735,481/5,582,172
  6. Step 6: Final answer
    x = 25,881,139.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.