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Finding the Third Proportional to 143,340 and 334,722

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Solution

The third proportional to 143,340 and 334,722 is: 781,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,340 : 334,722 = 334,722 : x
  2. Step 2: Convert to fraction form
    143,340/334,722 = 334,722/x
  3. Step 3: Cross multiply
    143,340x = 334,722 × 334,722
  4. Step 4: Simplify right side
    143,340x = 112,038,817,284
  5. Step 5: Solve for x
    x = 112,038,817,284/143,340
  6. Step 6: Final answer
    x = 781,629.81

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.