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Finding the Third Proportional to 109,392.19 and 168,756.75

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Solution

The third proportional to 109,392.19 and 168,756.75 is: 260,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,392.19 : 168,756.75 = 168,756.75 : x
  2. Step 2: Convert to fraction form
    109,392.19/168,756.75 = 168,756.75/x
  3. Step 3: Cross multiply
    109,392.19x = 168,756.75 × 168,756.75
  4. Step 4: Simplify right side
    109,392.19x = 28,478,840,670.56
  5. Step 5: Solve for x
    x = 28,478,840,670.56/109,392.19
  6. Step 6: Final answer
    x = 260,337.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.