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Finding the Third Proportional to 152,348.50 and 330,120

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Solution

The third proportional to 152,348.50 and 330,120 is: 715,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,348.50 : 330,120 = 330,120 : x
  2. Step 2: Convert to fraction form
    152,348.50/330,120 = 330,120/x
  3. Step 3: Cross multiply
    152,348.50x = 330,120 × 330,120
  4. Step 4: Simplify right side
    152,348.50x = 108,979,214,400
  5. Step 5: Solve for x
    x = 108,979,214,400/152,348.50
  6. Step 6: Final answer
    x = 715,328.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.