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Finding the Third Proportional to 20,016,209 and 43,702,690

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Solution

The third proportional to 20,016,209 and 43,702,690 is: 95,418,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016,209 : 43,702,690 = 43,702,690 : x
  2. Step 2: Convert to fraction form
    20,016,209/43,702,690 = 43,702,690/x
  3. Step 3: Cross multiply
    20,016,209x = 43,702,690 × 43,702,690
  4. Step 4: Simplify right side
    20,016,209x = 1,909,925,113,236,100
  5. Step 5: Solve for x
    x = 1,909,925,113,236,100/20,016,209
  6. Step 6: Final answer
    x = 95,418,923.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.