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Finding the Third Proportional to 35,076.80 and 53,490.80

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Solution

The third proportional to 35,076.80 and 53,490.80 is: 81,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,076.80 : 53,490.80 = 53,490.80 : x
  2. Step 2: Convert to fraction form
    35,076.80/53,490.80 = 53,490.80/x
  3. Step 3: Cross multiply
    35,076.80x = 53,490.80 × 53,490.80
  4. Step 4: Simplify right side
    35,076.80x = 2,861,265,350.32
  5. Step 5: Solve for x
    x = 2,861,265,350.32/35,076.80
  6. Step 6: Final answer
    x = 81,571.45

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.