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Finding the Third Proportional to 9,646,778 and 20,087,397

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Solution

The third proportional to 9,646,778 and 20,087,397 is: 41,827,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,646,778 : 20,087,397 = 20,087,397 : x
  2. Step 2: Convert to fraction form
    9,646,778/20,087,397 = 20,087,397/x
  3. Step 3: Cross multiply
    9,646,778x = 20,087,397 × 20,087,397
  4. Step 4: Simplify right side
    9,646,778x = 403,503,518,235,609
  5. Step 5: Solve for x
    x = 403,503,518,235,609/9,646,778
  6. Step 6: Final answer
    x = 41,827,801.80

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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.