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Finding the Third Proportional to 130,138 and 283,360

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Solution

The third proportional to 130,138 and 283,360 is: 616,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,138 : 283,360 = 283,360 : x
  2. Step 2: Convert to fraction form
    130,138/283,360 = 283,360/x
  3. Step 3: Cross multiply
    130,138x = 283,360 × 283,360
  4. Step 4: Simplify right side
    130,138x = 80,292,889,600
  5. Step 5: Solve for x
    x = 80,292,889,600/130,138
  6. Step 6: Final answer
    x = 616,982.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.