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Finding the Third Proportional to 120,365.16 and 186,273.84

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Solution

The third proportional to 120,365.16 and 186,273.84 is: 288,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,365.16 : 186,273.84 = 186,273.84 : x
  2. Step 2: Convert to fraction form
    120,365.16/186,273.84 = 186,273.84/x
  3. Step 3: Cross multiply
    120,365.16x = 186,273.84 × 186,273.84
  4. Step 4: Simplify right side
    120,365.16x = 34,697,944,865.40
  5. Step 5: Solve for x
    x = 34,697,944,865.40/120,365.16
  6. Step 6: Final answer
    x = 288,272.34

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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.