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Finding the Third Proportional to 86,619,509 and 192,605,085

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Solution

The third proportional to 86,619,509 and 192,605,085 is: 428,272,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619,509 : 192,605,085 = 192,605,085 : x
  2. Step 2: Convert to fraction form
    86,619,509/192,605,085 = 192,605,085/x
  3. Step 3: Cross multiply
    86,619,509x = 192,605,085 × 192,605,085
  4. Step 4: Simplify right side
    86,619,509x = 37,096,718,767,857,224
  5. Step 5: Solve for x
    x = 37,096,718,767,857,224/86,619,509
  6. Step 6: Final answer
    x = 428,272,097.08

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.