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Finding the Third Proportional to 5,818,959 and 12,645,142.88

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Solution

The third proportional to 5,818,959 and 12,645,142.88 is: 27,479,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818,959 : 12,645,142.88 = 12,645,142.88 : x
  2. Step 2: Convert to fraction form
    5,818,959/12,645,142.88 = 12,645,142.88/x
  3. Step 3: Cross multiply
    5,818,959x = 12,645,142.88 × 12,645,142.88
  4. Step 4: Simplify right side
    5,818,959x = 159,899,638,329,163.25
  5. Step 5: Solve for x
    x = 159,899,638,329,163.25/5,818,959
  6. Step 6: Final answer
    x = 27,479,079.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.