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Finding the Third Proportional to 43,331.63 and 90,855

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Solution

The third proportional to 43,331.63 and 90,855 is: 190,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.63 : 90,855 = 90,855 : x
  2. Step 2: Convert to fraction form
    43,331.63/90,855 = 90,855/x
  3. Step 3: Cross multiply
    43,331.63x = 90,855 × 90,855
  4. Step 4: Simplify right side
    43,331.63x = 8,254,631,025
  5. Step 5: Solve for x
    x = 8,254,631,025/43,331.63
  6. Step 6: Final answer
    x = 190,499.00

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.