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Finding the Third Proportional to 9,487,656 and 20,416,248

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Solution

The third proportional to 9,487,656 and 20,416,248 is: 43,933,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487,656 : 20,416,248 = 20,416,248 : x
  2. Step 2: Convert to fraction form
    9,487,656/20,416,248 = 20,416,248/x
  3. Step 3: Cross multiply
    9,487,656x = 20,416,248 × 20,416,248
  4. Step 4: Simplify right side
    9,487,656x = 416,823,182,397,504
  5. Step 5: Solve for x
    x = 416,823,182,397,504/9,487,656
  6. Step 6: Final answer
    x = 43,933,209.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.