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Finding the Third Proportional to 3,153,247 and 4,869,609

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Solution

The third proportional to 3,153,247 and 4,869,609 is: 7,520,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,247 : 4,869,609 = 4,869,609 : x
  2. Step 2: Convert to fraction form
    3,153,247/4,869,609 = 4,869,609/x
  3. Step 3: Cross multiply
    3,153,247x = 4,869,609 × 4,869,609
  4. Step 4: Simplify right side
    3,153,247x = 23,713,091,812,881
  5. Step 5: Solve for x
    x = 23,713,091,812,881/3,153,247
  6. Step 6: Final answer
    x = 7,520,213.87

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.