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Finding the Third Proportional to 15,427,288 and 32,131,478

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Solution

The third proportional to 15,427,288 and 32,131,478 is: 66,922,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427,288 : 32,131,478 = 32,131,478 : x
  2. Step 2: Convert to fraction form
    15,427,288/32,131,478 = 32,131,478/x
  3. Step 3: Cross multiply
    15,427,288x = 32,131,478 × 32,131,478
  4. Step 4: Simplify right side
    15,427,288x = 1,032,431,878,464,484
  5. Step 5: Solve for x
    x = 1,032,431,878,464,484/15,427,288
  6. Step 6: Final answer
    x = 66,922,447.97

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.