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Finding the Third Proportional to 9,891,438 and 20,845,596

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Solution

The third proportional to 9,891,438 and 20,845,596 is: 43,930,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891,438 : 20,845,596 = 20,845,596 : x
  2. Step 2: Convert to fraction form
    9,891,438/20,845,596 = 20,845,596/x
  3. Step 3: Cross multiply
    9,891,438x = 20,845,596 × 20,845,596
  4. Step 4: Simplify right side
    9,891,438x = 434,538,872,595,216
  5. Step 5: Solve for x
    x = 434,538,872,595,216/9,891,438
  6. Step 6: Final answer
    x = 43,930,808.91

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.