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Finding the Third Proportional to 42,706,908 and 66,183,858

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Solution

The third proportional to 42,706,908 and 66,183,858 is: 102,566,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,706,908 : 66,183,858 = 66,183,858 : x
  2. Step 2: Convert to fraction form
    42,706,908/66,183,858 = 66,183,858/x
  3. Step 3: Cross multiply
    42,706,908x = 66,183,858 × 66,183,858
  4. Step 4: Simplify right side
    42,706,908x = 4,380,303,059,764,164
  5. Step 5: Solve for x
    x = 4,380,303,059,764,164/42,706,908
  6. Step 6: Final answer
    x = 102,566,616.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.