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Finding the Third Proportional to 435 and 942

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Solution

The third proportional to 435 and 942 is: 2,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    435 : 942 = 942 : x
  2. Step 2: Convert to fraction form
    435/942 = 942/x
  3. Step 3: Cross multiply
    435x = 942 × 942
  4. Step 4: Simplify right side
    435x = 887,364
  5. Step 5: Solve for x
    x = 887,364/435
  6. Step 6: Final answer
    x = 2,039.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.