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Finding the Third Proportional to 152,079.50 and 330,915.75

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Solution

The third proportional to 152,079.50 and 330,915.75 is: 720,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,079.50 : 330,915.75 = 330,915.75 : x
  2. Step 2: Convert to fraction form
    152,079.50/330,915.75 = 330,915.75/x
  3. Step 3: Cross multiply
    152,079.50x = 330,915.75 × 330,915.75
  4. Step 4: Simplify right side
    152,079.50x = 109,505,233,598.06
  5. Step 5: Solve for x
    x = 109,505,233,598.06/152,079.50
  6. Step 6: Final answer
    x = 720,052.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.