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Finding the Third Proportional to 39,144,384 and 81,857,952

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Solution

The third proportional to 39,144,384 and 81,857,952 is: 171,179,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144,384 : 81,857,952 = 81,857,952 : x
  2. Step 2: Convert to fraction form
    39,144,384/81,857,952 = 81,857,952/x
  3. Step 3: Cross multiply
    39,144,384x = 81,857,952 × 81,857,952
  4. Step 4: Simplify right side
    39,144,384x = 6,700,724,305,634,304
  5. Step 5: Solve for x
    x = 6,700,724,305,634,304/39,144,384
  6. Step 6: Final answer
    x = 171,179,710.11

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.