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Finding the Third Proportional to 86,882,712 and 171,572,400

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Solution

The third proportional to 86,882,712 and 171,572,400 is: 338,814,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,882,712 : 171,572,400 = 171,572,400 : x
  2. Step 2: Convert to fraction form
    86,882,712/171,572,400 = 171,572,400/x
  3. Step 3: Cross multiply
    86,882,712x = 171,572,400 × 171,572,400
  4. Step 4: Simplify right side
    86,882,712x = 29,437,088,441,760,000
  5. Step 5: Solve for x
    x = 29,437,088,441,760,000/86,882,712
  6. Step 6: Final answer
    x = 338,814,106.56

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.