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Finding the Third Proportional to 130,305 and 285,544.50

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Solution

The third proportional to 130,305 and 285,544.50 is: 625,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,305 : 285,544.50 = 285,544.50 : x
  2. Step 2: Convert to fraction form
    130,305/285,544.50 = 285,544.50/x
  3. Step 3: Cross multiply
    130,305x = 285,544.50 × 285,544.50
  4. Step 4: Simplify right side
    130,305x = 81,535,661,480.25
  5. Step 5: Solve for x
    x = 81,535,661,480.25/130,305
  6. Step 6: Final answer
    x = 625,729.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.