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Finding the Third Proportional to 27,866,438 and 43,042,173

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Solution

The third proportional to 27,866,438 and 43,042,173 is: 66,482,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866,438 : 43,042,173 = 43,042,173 : x
  2. Step 2: Convert to fraction form
    27,866,438/43,042,173 = 43,042,173/x
  3. Step 3: Cross multiply
    27,866,438x = 43,042,173 × 43,042,173
  4. Step 4: Simplify right side
    27,866,438x = 1,852,628,656,561,929
  5. Step 5: Solve for x
    x = 1,852,628,656,561,929/27,866,438
  6. Step 6: Final answer
    x = 66,482,435.13

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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.