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Finding the Third Proportional to 75,772 and 113,658

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Solution

The third proportional to 75,772 and 113,658 is: 170,487

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,772 : 113,658 = 113,658 : x
  2. Step 2: Convert to fraction form
    75,772/113,658 = 113,658/x
  3. Step 3: Cross multiply
    75,772x = 113,658 × 113,658
  4. Step 4: Simplify right side
    75,772x = 12,918,140,964
  5. Step 5: Solve for x
    x = 12,918,140,964/75,772
  6. Step 6: Final answer
    x = 170,487

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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.