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Finding the Third Proportional to 15,916,419 and 32,418,135

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Solution

The third proportional to 15,916,419 and 32,418,135 is: 66,028,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916,419 : 32,418,135 = 32,418,135 : x
  2. Step 2: Convert to fraction form
    15,916,419/32,418,135 = 32,418,135/x
  3. Step 3: Cross multiply
    15,916,419x = 32,418,135 × 32,418,135
  4. Step 4: Simplify right side
    15,916,419x = 1,050,935,476,878,225
  5. Step 5: Solve for x
    x = 1,050,935,476,878,225/15,916,419
  6. Step 6: Final answer
    x = 66,028,387.22

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.