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Finding the Third Proportional to 90,839.25 and 130,030.88

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Solution

The third proportional to 90,839.25 and 130,030.88 is: 186,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,839.25 : 130,030.88 = 130,030.88 : x
  2. Step 2: Convert to fraction form
    90,839.25/130,030.88 = 130,030.88/x
  3. Step 3: Cross multiply
    90,839.25x = 130,030.88 × 130,030.88
  4. Step 4: Simplify right side
    90,839.25x = 16,908,028,453.27
  5. Step 5: Solve for x
    x = 16,908,028,453.27/90,839.25
  6. Step 6: Final answer
    x = 186,131.31

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.