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Finding the Third Proportional to 27,866,422 and 43,042,146

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Solution

The third proportional to 27,866,422 and 43,042,146 is: 66,482,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866,422 : 43,042,146 = 43,042,146 : x
  2. Step 2: Convert to fraction form
    27,866,422/43,042,146 = 43,042,146/x
  3. Step 3: Cross multiply
    27,866,422x = 43,042,146 × 43,042,146
  4. Step 4: Simplify right side
    27,866,422x = 1,852,626,332,285,316
  5. Step 5: Solve for x
    x = 1,852,626,332,285,316/27,866,422
  6. Step 6: Final answer
    x = 66,482,389.89

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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.