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Finding the Third Proportional to 7,881,894 and 16,979,274

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Solution

The third proportional to 7,881,894 and 16,979,274 is: 36,576,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,894 : 16,979,274 = 16,979,274 : x
  2. Step 2: Convert to fraction form
    7,881,894/16,979,274 = 16,979,274/x
  3. Step 3: Cross multiply
    7,881,894x = 16,979,274 × 16,979,274
  4. Step 4: Simplify right side
    7,881,894x = 288,295,745,567,076
  5. Step 5: Solve for x
    x = 288,295,745,567,076/7,881,894
  6. Step 6: Final answer
    x = 36,576,963.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.