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Finding the Third Proportional to 39,789,151,928 and 86,291,744,344

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Solution

The third proportional to 39,789,151,928 and 86,291,744,344 is: 187,143,097,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789,151,928 : 86,291,744,344 = 86,291,744,344 : x
  2. Step 2: Convert to fraction form
    39,789,151,928/86,291,744,344 = 86,291,744,344/x
  3. Step 3: Cross multiply
    39,789,151,928x = 86,291,744,344 × 86,291,744,344
  4. Step 4: Simplify right side
    39,789,151,928x = 7,446,265,141,930,255,974,400
  5. Step 5: Solve for x
    x = 7,446,265,141,930,255,974,400/39,789,151,928
  6. Step 6: Final answer
    x = 187,143,097,581.08

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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.