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Finding the Third Proportional to 5,979,560 and 12,756,376

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Solution

The third proportional to 5,979,560 and 12,756,376 is: 27,213,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979,560 : 12,756,376 = 12,756,376 : x
  2. Step 2: Convert to fraction form
    5,979,560/12,756,376 = 12,756,376/x
  3. Step 3: Cross multiply
    5,979,560x = 12,756,376 × 12,756,376
  4. Step 4: Simplify right side
    5,979,560x = 162,725,128,653,376
  5. Step 5: Solve for x
    x = 162,725,128,653,376/5,979,560
  6. Step 6: Final answer
    x = 27,213,562.31

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.