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Finding the Third Proportional to 7,979,517 and 12,637,314

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Solution

The third proportional to 7,979,517 and 12,637,314 is: 20,013,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,517 : 12,637,314 = 12,637,314 : x
  2. Step 2: Convert to fraction form
    7,979,517/12,637,314 = 12,637,314/x
  3. Step 3: Cross multiply
    7,979,517x = 12,637,314 × 12,637,314
  4. Step 4: Simplify right side
    7,979,517x = 159,701,705,134,596
  5. Step 5: Solve for x
    x = 159,701,705,134,596/7,979,517
  6. Step 6: Final answer
    x = 20,013,956.38

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.