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Finding the Third Proportional to 66,039,782 and 100,056,939

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Solution

The third proportional to 66,039,782 and 100,056,939 is: 151,596,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,039,782 : 100,056,939 = 100,056,939 : x
  2. Step 2: Convert to fraction form
    66,039,782/100,056,939 = 100,056,939/x
  3. Step 3: Cross multiply
    66,039,782x = 100,056,939 × 100,056,939
  4. Step 4: Simplify right side
    66,039,782x = 10,011,391,042,049,720
  5. Step 5: Solve for x
    x = 10,011,391,042,049,720/66,039,782
  6. Step 6: Final answer
    x = 151,596,367.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.