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Finding the Third Proportional to 18,206,552 and 39,111,952

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Solution

The third proportional to 18,206,552 and 39,111,952 is: 84,021,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206,552 : 39,111,952 = 39,111,952 : x
  2. Step 2: Convert to fraction form
    18,206,552/39,111,952 = 39,111,952/x
  3. Step 3: Cross multiply
    18,206,552x = 39,111,952 × 39,111,952
  4. Step 4: Simplify right side
    18,206,552x = 1,529,744,789,250,304
  5. Step 5: Solve for x
    x = 1,529,744,789,250,304/18,206,552
  6. Step 6: Final answer
    x = 84,021,663.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.