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Finding the Third Proportional to 86,068,028 and 129,354,288

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Solution

The third proportional to 86,068,028 and 129,354,288 is: 194,410,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,068,028 : 129,354,288 = 129,354,288 : x
  2. Step 2: Convert to fraction form
    86,068,028/129,354,288 = 129,354,288/x
  3. Step 3: Cross multiply
    86,068,028x = 129,354,288 × 129,354,288
  4. Step 4: Simplify right side
    86,068,028x = 16,732,531,823,986,944
  5. Step 5: Solve for x
    x = 16,732,531,823,986,944/86,068,028
  6. Step 6: Final answer
    x = 194,410,540.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.