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Finding the Third Proportional to 160,785 and 353,646

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Solution

The third proportional to 160,785 and 353,646 is: 777,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,785 : 353,646 = 353,646 : x
  2. Step 2: Convert to fraction form
    160,785/353,646 = 353,646/x
  3. Step 3: Cross multiply
    160,785x = 353,646 × 353,646
  4. Step 4: Simplify right side
    160,785x = 125,065,493,316
  5. Step 5: Solve for x
    x = 125,065,493,316/160,785
  6. Step 6: Final answer
    x = 777,843.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.