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Finding the Third Proportional to 8,658,462.38 and 18,824,020.88

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Solution

The third proportional to 8,658,462.38 and 18,824,020.88 is: 40,924,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,462.38 : 18,824,020.88 = 18,824,020.88 : x
  2. Step 2: Convert to fraction form
    8,658,462.38/18,824,020.88 = 18,824,020.88/x
  3. Step 3: Cross multiply
    8,658,462.38x = 18,824,020.88 × 18,824,020.88
  4. Step 4: Simplify right side
    8,658,462.38x = 354,343,761,902,435.75
  5. Step 5: Solve for x
    x = 354,343,761,902,435.75/8,658,462.38
  6. Step 6: Final answer
    x = 40,924,559.88

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.