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Finding the Third Proportional to 130,908 and 273,480

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Solution

The third proportional to 130,908 and 273,480 is: 571,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,908 : 273,480 = 273,480 : x
  2. Step 2: Convert to fraction form
    130,908/273,480 = 273,480/x
  3. Step 3: Cross multiply
    130,908x = 273,480 × 273,480
  4. Step 4: Simplify right side
    130,908x = 74,791,310,400
  5. Step 5: Solve for x
    x = 74,791,310,400/130,908
  6. Step 6: Final answer
    x = 571,327.27

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.