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Finding the Third Proportional to 144,092 and 310,378

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Solution

The third proportional to 144,092 and 310,378 is: 668,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,092 : 310,378 = 310,378 : x
  2. Step 2: Convert to fraction form
    144,092/310,378 = 310,378/x
  3. Step 3: Cross multiply
    144,092x = 310,378 × 310,378
  4. Step 4: Simplify right side
    144,092x = 96,334,502,884
  5. Step 5: Solve for x
    x = 96,334,502,884/144,092
  6. Step 6: Final answer
    x = 668,562.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.