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Finding the Third Proportional to 86,954,021 and 187,527,261

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Solution

The third proportional to 86,954,021 and 187,527,261 is: 404,426,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,954,021 : 187,527,261 = 187,527,261 : x
  2. Step 2: Convert to fraction form
    86,954,021/187,527,261 = 187,527,261/x
  3. Step 3: Cross multiply
    86,954,021x = 187,527,261 × 187,527,261
  4. Step 4: Simplify right side
    86,954,021x = 35,166,473,618,162,120
  5. Step 5: Solve for x
    x = 35,166,473,618,162,120/86,954,021
  6. Step 6: Final answer
    x = 404,426,077.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.