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Finding the Third Proportional to 39,709,693 and 86,013,227

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Solution

The third proportional to 39,709,693 and 86,013,227 is: 186,309,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,709,693 : 86,013,227 = 86,013,227 : x
  2. Step 2: Convert to fraction form
    39,709,693/86,013,227 = 86,013,227/x
  3. Step 3: Cross multiply
    39,709,693x = 86,013,227 × 86,013,227
  4. Step 4: Simplify right side
    39,709,693x = 7,398,275,218,953,529
  5. Step 5: Solve for x
    x = 7,398,275,218,953,529/39,709,693
  6. Step 6: Final answer
    x = 186,309,051.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.