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Finding the Third Proportional to 27,866,436 and 43,042,170

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Solution

The third proportional to 27,866,436 and 43,042,170 is: 66,482,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866,436 : 43,042,170 = 43,042,170 : x
  2. Step 2: Convert to fraction form
    27,866,436/43,042,170 = 43,042,170/x
  3. Step 3: Cross multiply
    27,866,436x = 43,042,170 × 43,042,170
  4. Step 4: Simplify right side
    27,866,436x = 1,852,628,398,308,900
  5. Step 5: Solve for x
    x = 1,852,628,398,308,900/27,866,436
  6. Step 6: Final answer
    x = 66,482,430.63

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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.