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Finding the Third Proportional to 148,840 and 351,284

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Solution

The third proportional to 148,840 and 351,284 is: 829,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,840 : 351,284 = 351,284 : x
  2. Step 2: Convert to fraction form
    148,840/351,284 = 351,284/x
  3. Step 3: Cross multiply
    148,840x = 351,284 × 351,284
  4. Step 4: Simplify right side
    148,840x = 123,400,448,656
  5. Step 5: Solve for x
    x = 123,400,448,656/148,840
  6. Step 6: Final answer
    x = 829,081.22

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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.