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Finding the Third Proportional to 130,928 and 281,896

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Solution

The third proportional to 130,928 and 281,896 is: 606,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,928 : 281,896 = 281,896 : x
  2. Step 2: Convert to fraction form
    130,928/281,896 = 281,896/x
  3. Step 3: Cross multiply
    130,928x = 281,896 × 281,896
  4. Step 4: Simplify right side
    130,928x = 79,465,354,816
  5. Step 5: Solve for x
    x = 79,465,354,816/130,928
  6. Step 6: Final answer
    x = 606,939.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.