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Finding the Third Proportional to 1,000,247 and 2,190,217

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Solution

The third proportional to 1,000,247 and 2,190,217 is: 4,795,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,247 : 2,190,217 = 2,190,217 : x
  2. Step 2: Convert to fraction form
    1,000,247/2,190,217 = 2,190,217/x
  3. Step 3: Cross multiply
    1,000,247x = 2,190,217 × 2,190,217
  4. Step 4: Simplify right side
    1,000,247x = 4,797,050,507,089
  5. Step 5: Solve for x
    x = 4,797,050,507,089/1,000,247
  6. Step 6: Final answer
    x = 4,795,865.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.