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Finding the Third Proportional to 338,922 and 497,055

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Solution

The third proportional to 338,922 and 497,055 is: 728,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,922 : 497,055 = 497,055 : x
  2. Step 2: Convert to fraction form
    338,922/497,055 = 497,055/x
  3. Step 3: Cross multiply
    338,922x = 497,055 × 497,055
  4. Step 4: Simplify right side
    338,922x = 247,063,673,025
  5. Step 5: Solve for x
    x = 247,063,673,025/338,922
  6. Step 6: Final answer
    x = 728,969.12

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.