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Finding the Third Proportional to 20,900,602.13 and 43,706,917.69

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Solution

The third proportional to 20,900,602.13 and 43,706,917.69 is: 91,399,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,900,602.13 : 43,706,917.69 = 43,706,917.69 : x
  2. Step 2: Convert to fraction form
    20,900,602.13/43,706,917.69 = 43,706,917.69/x
  3. Step 3: Cross multiply
    20,900,602.13x = 43,706,917.69 × 43,706,917.69
  4. Step 4: Simplify right side
    20,900,602.13x = 1,910,294,653,741,900.25
  5. Step 5: Solve for x
    x = 1,910,294,653,741,900.25/20,900,602.13
  6. Step 6: Final answer
    x = 91,399,024.89

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.