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Finding the Third Proportional to 653.06 and 969.47

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Solution

The third proportional to 653.06 and 969.47 is: 1,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.06 : 969.47 = 969.47 : x
  2. Step 2: Convert to fraction form
    653.06/969.47 = 969.47/x
  3. Step 3: Cross multiply
    653.06x = 969.47 × 969.47
  4. Step 4: Simplify right side
    653.06x = 939,869.66
  5. Step 5: Solve for x
    x = 939,869.66/653.06
  6. Step 6: Final answer
    x = 1,439.17

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.