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Finding the Third Proportional to 27,861,698 and 43,053,411

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Solution

The third proportional to 27,861,698 and 43,053,411 is: 66,528,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861,698 : 43,053,411 = 43,053,411 : x
  2. Step 2: Convert to fraction form
    27,861,698/43,053,411 = 43,053,411/x
  3. Step 3: Cross multiply
    27,861,698x = 43,053,411 × 43,053,411
  4. Step 4: Simplify right side
    27,861,698x = 1,853,596,198,734,921
  5. Step 5: Solve for x
    x = 1,853,596,198,734,921/27,861,698
  6. Step 6: Final answer
    x = 66,528,472.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.