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Finding the Third Proportional to 2,318,276.25 and 4,979,343.38

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Solution

The third proportional to 2,318,276.25 and 4,979,343.38 is: 10,694,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,276.25 : 4,979,343.38 = 4,979,343.38 : x
  2. Step 2: Convert to fraction form
    2,318,276.25/4,979,343.38 = 4,979,343.38/x
  3. Step 3: Cross multiply
    2,318,276.25x = 4,979,343.38 × 4,979,343.38
  4. Step 4: Simplify right side
    2,318,276.25x = 24,793,860,446,156.39
  5. Step 5: Solve for x
    x = 24,793,860,446,156.39/2,318,276.25
  6. Step 6: Final answer
    x = 10,694,955.12

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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.