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Finding the Third Proportional to 320,532 and 498,296

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Solution

The third proportional to 320,532 and 498,296 is: 774,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,532 : 498,296 = 498,296 : x
  2. Step 2: Convert to fraction form
    320,532/498,296 = 498,296/x
  3. Step 3: Cross multiply
    320,532x = 498,296 × 498,296
  4. Step 4: Simplify right side
    320,532x = 248,298,903,616
  5. Step 5: Solve for x
    x = 248,298,903,616/320,532
  6. Step 6: Final answer
    x = 774,646.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.