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Finding the Third Proportional to 208,008 and 313,482

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Solution

The third proportional to 208,008 and 313,482 is: 472,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,008 : 313,482 = 313,482 : x
  2. Step 2: Convert to fraction form
    208,008/313,482 = 313,482/x
  3. Step 3: Cross multiply
    208,008x = 313,482 × 313,482
  4. Step 4: Simplify right side
    208,008x = 98,270,964,324
  5. Step 5: Solve for x
    x = 98,270,964,324/208,008
  6. Step 6: Final answer
    x = 472,438.39

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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.