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Finding the Third Proportional to 86,440,696.59 and 188,678,230.88

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Solution

The third proportional to 86,440,696.59 and 188,678,230.88 is: 411,836,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,440,696.59 : 188,678,230.88 = 188,678,230.88 : x
  2. Step 2: Convert to fraction form
    86,440,696.59/188,678,230.88 = 188,678,230.88/x
  3. Step 3: Cross multiply
    86,440,696.59x = 188,678,230.88 × 188,678,230.88
  4. Step 4: Simplify right side
    86,440,696.59x = 35,599,474,806,119,804
  5. Step 5: Solve for x
    x = 35,599,474,806,119,804/86,440,696.59
  6. Step 6: Final answer
    x = 411,836,972.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.