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Finding the Third Proportional to 326,239 and 499,108

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Solution

The third proportional to 326,239 and 499,108 is: 763,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,239 : 499,108 = 499,108 : x
  2. Step 2: Convert to fraction form
    326,239/499,108 = 499,108/x
  3. Step 3: Cross multiply
    326,239x = 499,108 × 499,108
  4. Step 4: Simplify right side
    326,239x = 249,108,795,664
  5. Step 5: Solve for x
    x = 249,108,795,664/326,239
  6. Step 6: Final answer
    x = 763,577.61

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.