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Finding the Third Proportional to 109,361.39 and 168,706.55

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Solution

The third proportional to 109,361.39 and 168,706.55 is: 260,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,361.39 : 168,706.55 = 168,706.55 : x
  2. Step 2: Convert to fraction form
    109,361.39/168,706.55 = 168,706.55/x
  3. Step 3: Cross multiply
    109,361.39x = 168,706.55 × 168,706.55
  4. Step 4: Simplify right side
    109,361.39x = 28,461,898,958.49
  5. Step 5: Solve for x
    x = 28,461,898,958.49/109,361.39
  6. Step 6: Final answer
    x = 260,255.46

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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.