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Finding the Third Proportional to 2,220,624 and 4,771,620

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Solution

The third proportional to 2,220,624 and 4,771,620 is: 10,253,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,624 : 4,771,620 = 4,771,620 : x
  2. Step 2: Convert to fraction form
    2,220,624/4,771,620 = 4,771,620/x
  3. Step 3: Cross multiply
    2,220,624x = 4,771,620 × 4,771,620
  4. Step 4: Simplify right side
    2,220,624x = 22,768,357,424,400
  5. Step 5: Solve for x
    x = 22,768,357,424,400/2,220,624
  6. Step 6: Final answer
    x = 10,253,134.90

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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.