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Finding the Third Proportional to 9,891,636 and 20,845,992

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Solution

The third proportional to 9,891,636 and 20,845,992 is: 43,931,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891,636 : 20,845,992 = 20,845,992 : x
  2. Step 2: Convert to fraction form
    9,891,636/20,845,992 = 20,845,992/x
  3. Step 3: Cross multiply
    9,891,636x = 20,845,992 × 20,845,992
  4. Step 4: Simplify right side
    9,891,636x = 434,555,382,464,064
  5. Step 5: Solve for x
    x = 434,555,382,464,064/9,891,636
  6. Step 6: Final answer
    x = 43,931,598.62

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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.