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Finding the Third Proportional to 43,068,130 and 66,198,830

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Solution

The third proportional to 43,068,130 and 66,198,830 is: 101,752,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068,130 : 66,198,830 = 66,198,830 : x
  2. Step 2: Convert to fraction form
    43,068,130/66,198,830 = 66,198,830/x
  3. Step 3: Cross multiply
    43,068,130x = 66,198,830 × 66,198,830
  4. Step 4: Simplify right side
    43,068,130x = 4,382,285,093,368,900
  5. Step 5: Solve for x
    x = 4,382,285,093,368,900/43,068,130
  6. Step 6: Final answer
    x = 101,752,388.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.