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Finding the Third Proportional to 130,072 and 281,040

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Solution

The third proportional to 130,072 and 281,040 is: 607,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,072 : 281,040 = 281,040 : x
  2. Step 2: Convert to fraction form
    130,072/281,040 = 281,040/x
  3. Step 3: Cross multiply
    130,072x = 281,040 × 281,040
  4. Step 4: Simplify right side
    130,072x = 78,983,481,600
  5. Step 5: Solve for x
    x = 78,983,481,600/130,072
  6. Step 6: Final answer
    x = 607,228.93

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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.