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Finding the Third Proportional to 130,956.75 and 279,085.50

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Solution

The third proportional to 130,956.75 and 279,085.50 is: 594,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,956.75 : 279,085.50 = 279,085.50 : x
  2. Step 2: Convert to fraction form
    130,956.75/279,085.50 = 279,085.50/x
  3. Step 3: Cross multiply
    130,956.75x = 279,085.50 × 279,085.50
  4. Step 4: Simplify right side
    130,956.75x = 77,888,716,310.25
  5. Step 5: Solve for x
    x = 77,888,716,310.25/130,956.75
  6. Step 6: Final answer
    x = 594,766.72

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.