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Finding the Third Proportional to 84,336.19 and 130,536.56

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Solution

The third proportional to 84,336.19 and 130,536.56 is: 202,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,336.19 : 130,536.56 = 130,536.56 : x
  2. Step 2: Convert to fraction form
    84,336.19/130,536.56 = 130,536.56/x
  3. Step 3: Cross multiply
    84,336.19x = 130,536.56 × 130,536.56
  4. Step 4: Simplify right side
    84,336.19x = 17,039,794,149.32
  5. Step 5: Solve for x
    x = 17,039,794,149.32/84,336.19
  6. Step 6: Final answer
    x = 202,046.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.