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Finding the Third Proportional to 623.81 and 894.94

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Solution

The third proportional to 623.81 and 894.94 is: 1,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.81 : 894.94 = 894.94 : x
  2. Step 2: Convert to fraction form
    623.81/894.94 = 894.94/x
  3. Step 3: Cross multiply
    623.81x = 894.94 × 894.94
  4. Step 4: Simplify right side
    623.81x = 800,913.13
  5. Step 5: Solve for x
    x = 800,913.13/623.81
  6. Step 6: Final answer
    x = 1,283.90

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.