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Finding the Third Proportional to 20,121,362 and 43,645,419

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Solution

The third proportional to 20,121,362 and 43,645,419 is: 94,671,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,362 : 43,645,419 = 43,645,419 : x
  2. Step 2: Convert to fraction form
    20,121,362/43,645,419 = 43,645,419/x
  3. Step 3: Cross multiply
    20,121,362x = 43,645,419 × 43,645,419
  4. Step 4: Simplify right side
    20,121,362x = 1,904,922,599,685,561
  5. Step 5: Solve for x
    x = 1,904,922,599,685,561/20,121,362
  6. Step 6: Final answer
    x = 94,671,652.93

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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.