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Finding the Third Proportional to 65,418 and 100,674

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Solution

The third proportional to 65,418 and 100,674 is: 154,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,418 : 100,674 = 100,674 : x
  2. Step 2: Convert to fraction form
    65,418/100,674 = 100,674/x
  3. Step 3: Cross multiply
    65,418x = 100,674 × 100,674
  4. Step 4: Simplify right side
    65,418x = 10,135,254,276
  5. Step 5: Solve for x
    x = 10,135,254,276/65,418
  6. Step 6: Final answer
    x = 154,930.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.