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Finding the Third Proportional to 3,979,374 and 8,594,130

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Solution

The third proportional to 3,979,374 and 8,594,130 is: 18,560,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,374 : 8,594,130 = 8,594,130 : x
  2. Step 2: Convert to fraction form
    3,979,374/8,594,130 = 8,594,130/x
  3. Step 3: Cross multiply
    3,979,374x = 8,594,130 × 8,594,130
  4. Step 4: Simplify right side
    3,979,374x = 73,859,070,456,900
  5. Step 5: Solve for x
    x = 73,859,070,456,900/3,979,374
  6. Step 6: Final answer
    x = 18,560,474.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.