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Finding the Third Proportional to 488,168 and 755,807

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Solution

The third proportional to 488,168 and 755,807 is: 1,170,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,168 : 755,807 = 755,807 : x
  2. Step 2: Convert to fraction form
    488,168/755,807 = 755,807/x
  3. Step 3: Cross multiply
    488,168x = 755,807 × 755,807
  4. Step 4: Simplify right side
    488,168x = 571,244,221,249
  5. Step 5: Solve for x
    x = 571,244,221,249/488,168
  6. Step 6: Final answer
    x = 1,170,179.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.