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Finding the Third Proportional to 20,121,361 and 43,645,417

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Solution

The third proportional to 20,121,361 and 43,645,417 is: 94,671,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,361 : 43,645,417 = 43,645,417 : x
  2. Step 2: Convert to fraction form
    20,121,361/43,645,417 = 43,645,417/x
  3. Step 3: Cross multiply
    20,121,361x = 43,645,417 × 43,645,417
  4. Step 4: Simplify right side
    20,121,361x = 1,904,922,425,103,889
  5. Step 5: Solve for x
    x = 1,904,922,425,103,889/20,121,361
  6. Step 6: Final answer
    x = 94,671,648.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.