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Finding the Third Proportional to 141,655 and 305,168

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Solution

The third proportional to 141,655 and 305,168 is: 657,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,655 : 305,168 = 305,168 : x
  2. Step 2: Convert to fraction form
    141,655/305,168 = 305,168/x
  3. Step 3: Cross multiply
    141,655x = 305,168 × 305,168
  4. Step 4: Simplify right side
    141,655x = 93,127,508,224
  5. Step 5: Solve for x
    x = 93,127,508,224/141,655
  6. Step 6: Final answer
    x = 657,424.79

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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.