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Finding the Third Proportional to 4,376,500 and 7,031,817

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Solution

The third proportional to 4,376,500 and 7,031,817 is: 11,298,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376,500 : 7,031,817 = 7,031,817 : x
  2. Step 2: Convert to fraction form
    4,376,500/7,031,817 = 7,031,817/x
  3. Step 3: Cross multiply
    4,376,500x = 7,031,817 × 7,031,817
  4. Step 4: Simplify right side
    4,376,500x = 49,446,450,321,489
  5. Step 5: Solve for x
    x = 49,446,450,321,489/4,376,500
  6. Step 6: Final answer
    x = 11,298,172.13

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.