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Finding the Third Proportional to 43,068,630 and 66,199,455

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Solution

The third proportional to 43,068,630 and 66,199,455 is: 101,753,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068,630 : 66,199,455 = 66,199,455 : x
  2. Step 2: Convert to fraction form
    43,068,630/66,199,455 = 66,199,455/x
  3. Step 3: Cross multiply
    43,068,630x = 66,199,455 × 66,199,455
  4. Step 4: Simplify right side
    43,068,630x = 4,382,367,842,297,025
  5. Step 5: Solve for x
    x = 4,382,367,842,297,025/43,068,630
  6. Step 6: Final answer
    x = 101,753,128.49

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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.