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Finding the Third Proportional to 5,320,210 and 8,254,775

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Solution

The third proportional to 5,320,210 and 8,254,775 is: 12,808,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,210 : 8,254,775 = 8,254,775 : x
  2. Step 2: Convert to fraction form
    5,320,210/8,254,775 = 8,254,775/x
  3. Step 3: Cross multiply
    5,320,210x = 8,254,775 × 8,254,775
  4. Step 4: Simplify right side
    5,320,210x = 68,141,310,300,625
  5. Step 5: Solve for x
    x = 68,141,310,300,625/5,320,210
  6. Step 6: Final answer
    x = 12,808,011.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.