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Finding the Third Proportional to 235,156 and 354,856

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Solution

The third proportional to 235,156 and 354,856 is: 535,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,156 : 354,856 = 354,856 : x
  2. Step 2: Convert to fraction form
    235,156/354,856 = 354,856/x
  3. Step 3: Cross multiply
    235,156x = 354,856 × 354,856
  4. Step 4: Simplify right side
    235,156x = 125,922,780,736
  5. Step 5: Solve for x
    x = 125,922,780,736/235,156
  6. Step 6: Final answer
    x = 535,486.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.