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Finding the Third Proportional to 77,598 and 120,197.25

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Solution

The third proportional to 77,598 and 120,197.25 is: 186,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,598 : 120,197.25 = 120,197.25 : x
  2. Step 2: Convert to fraction form
    77,598/120,197.25 = 120,197.25/x
  3. Step 3: Cross multiply
    77,598x = 120,197.25 × 120,197.25
  4. Step 4: Simplify right side
    77,598x = 14,447,378,907.56
  5. Step 5: Solve for x
    x = 14,447,378,907.56/77,598
  6. Step 6: Final answer
    x = 186,182.36

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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.