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Finding the Third Proportional to 166,487 and 359,577

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Solution

The third proportional to 166,487 and 359,577 is: 776,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,487 : 359,577 = 359,577 : x
  2. Step 2: Convert to fraction form
    166,487/359,577 = 359,577/x
  3. Step 3: Cross multiply
    166,487x = 359,577 × 359,577
  4. Step 4: Simplify right side
    166,487x = 129,295,618,929
  5. Step 5: Solve for x
    x = 129,295,618,929/166,487
  6. Step 6: Final answer
    x = 776,610.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.