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Finding the Third Proportional to 158,880 and 236,160

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Solution

The third proportional to 158,880 and 236,160 is: 351,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,880 : 236,160 = 236,160 : x
  2. Step 2: Convert to fraction form
    158,880/236,160 = 236,160/x
  3. Step 3: Cross multiply
    158,880x = 236,160 × 236,160
  4. Step 4: Simplify right side
    158,880x = 55,771,545,600
  5. Step 5: Solve for x
    x = 55,771,545,600/158,880
  6. Step 6: Final answer
    x = 351,029.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.