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Finding the Third Proportional to 898.75 and 1,942

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Solution

The third proportional to 898.75 and 1,942 is: 4,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    898.75 : 1,942 = 1,942 : x
  2. Step 2: Convert to fraction form
    898.75/1,942 = 1,942/x
  3. Step 3: Cross multiply
    898.75x = 1,942 × 1,942
  4. Step 4: Simplify right side
    898.75x = 3,771,364
  5. Step 5: Solve for x
    x = 3,771,364/898.75
  6. Step 6: Final answer
    x = 4,196.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.