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Finding the Third Proportional to 170,271 and 358,186

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Solution

The third proportional to 170,271 and 358,186 is: 753,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,271 : 358,186 = 358,186 : x
  2. Step 2: Convert to fraction form
    170,271/358,186 = 358,186/x
  3. Step 3: Cross multiply
    170,271x = 358,186 × 358,186
  4. Step 4: Simplify right side
    170,271x = 128,297,210,596
  5. Step 5: Solve for x
    x = 128,297,210,596/170,271
  6. Step 6: Final answer
    x = 753,488.33

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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.