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Finding the Third Proportional to 159,448 and 335,420

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Solution

The third proportional to 159,448 and 335,420 is: 705,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,448 : 335,420 = 335,420 : x
  2. Step 2: Convert to fraction form
    159,448/335,420 = 335,420/x
  3. Step 3: Cross multiply
    159,448x = 335,420 × 335,420
  4. Step 4: Simplify right side
    159,448x = 112,506,576,400
  5. Step 5: Solve for x
    x = 112,506,576,400/159,448
  6. Step 6: Final answer
    x = 705,600.42

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.