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Finding the Third Proportional to 65,448 and 100,440

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Solution

The third proportional to 65,448 and 100,440 is: 154,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448 : 100,440 = 100,440 : x
  2. Step 2: Convert to fraction form
    65,448/100,440 = 100,440/x
  3. Step 3: Cross multiply
    65,448x = 100,440 × 100,440
  4. Step 4: Simplify right side
    65,448x = 10,088,193,600
  5. Step 5: Solve for x
    x = 10,088,193,600/65,448
  6. Step 6: Final answer
    x = 154,140.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.