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Finding the Third Proportional to 134,977.50 and 191,889

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Solution

The third proportional to 134,977.50 and 191,889 is: 272,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,977.50 : 191,889 = 191,889 : x
  2. Step 2: Convert to fraction form
    134,977.50/191,889 = 191,889/x
  3. Step 3: Cross multiply
    134,977.50x = 191,889 × 191,889
  4. Step 4: Simplify right side
    134,977.50x = 36,821,388,321
  5. Step 5: Solve for x
    x = 36,821,388,321/134,977.50
  6. Step 6: Final answer
    x = 272,796.49

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.