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Finding the Third Proportional to 19,659,976 and 43,099,106

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Solution

The third proportional to 19,659,976 and 43,099,106 is: 94,482,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,976 : 43,099,106 = 43,099,106 : x
  2. Step 2: Convert to fraction form
    19,659,976/43,099,106 = 43,099,106/x
  3. Step 3: Cross multiply
    19,659,976x = 43,099,106 × 43,099,106
  4. Step 4: Simplify right side
    19,659,976x = 1,857,532,937,999,236
  5. Step 5: Solve for x
    x = 1,857,532,937,999,236/19,659,976
  6. Step 6: Final answer
    x = 94,482,970.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.