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Finding the Third Proportional to 150,887 and 328,830

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Solution

The third proportional to 150,887 and 328,830 is: 716,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,887 : 328,830 = 328,830 : x
  2. Step 2: Convert to fraction form
    150,887/328,830 = 328,830/x
  3. Step 3: Cross multiply
    150,887x = 328,830 × 328,830
  4. Step 4: Simplify right side
    150,887x = 108,129,168,900
  5. Step 5: Solve for x
    x = 108,129,168,900/150,887
  6. Step 6: Final answer
    x = 716,623.49

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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.