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Finding the Third Proportional to 242,668 and 367,396

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Solution

The third proportional to 242,668 and 367,396 is: 556,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,668 : 367,396 = 367,396 : x
  2. Step 2: Convert to fraction form
    242,668/367,396 = 367,396/x
  3. Step 3: Cross multiply
    242,668x = 367,396 × 367,396
  4. Step 4: Simplify right side
    242,668x = 134,979,820,816
  5. Step 5: Solve for x
    x = 134,979,820,816/242,668
  6. Step 6: Final answer
    x = 556,232.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.