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Finding the Third Proportional to 86,602,756 and 186,269,192

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Solution

The third proportional to 86,602,756 and 186,269,192 is: 400,636,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,602,756 : 186,269,192 = 186,269,192 : x
  2. Step 2: Convert to fraction form
    86,602,756/186,269,192 = 186,269,192/x
  3. Step 3: Cross multiply
    86,602,756x = 186,269,192 × 186,269,192
  4. Step 4: Simplify right side
    86,602,756x = 34,696,211,888,332,864
  5. Step 5: Solve for x
    x = 34,696,211,888,332,864/86,602,756
  6. Step 6: Final answer
    x = 400,636,347.97

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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.