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Finding the Third Proportional to 148,959 and 351,338

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Solution

The third proportional to 148,959 and 351,338 is: 828,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,959 : 351,338 = 351,338 : x
  2. Step 2: Convert to fraction form
    148,959/351,338 = 351,338/x
  3. Step 3: Cross multiply
    148,959x = 351,338 × 351,338
  4. Step 4: Simplify right side
    148,959x = 123,438,390,244
  5. Step 5: Solve for x
    x = 123,438,390,244/148,959
  6. Step 6: Final answer
    x = 828,673.60

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.