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Finding the Third Proportional to 7,217,046 and 15,031,170

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Solution

The third proportional to 7,217,046 and 15,031,170 is: 31,305,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,046 : 15,031,170 = 15,031,170 : x
  2. Step 2: Convert to fraction form
    7,217,046/15,031,170 = 15,031,170/x
  3. Step 3: Cross multiply
    7,217,046x = 15,031,170 × 15,031,170
  4. Step 4: Simplify right side
    7,217,046x = 225,936,071,568,900
  5. Step 5: Solve for x
    x = 225,936,071,568,900/7,217,046
  6. Step 6: Final answer
    x = 31,305,893.24

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.