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Finding the Third Proportional to 372,990 and 573,645

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Solution

The third proportional to 372,990 and 573,645 is: 882,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,990 : 573,645 = 573,645 : x
  2. Step 2: Convert to fraction form
    372,990/573,645 = 573,645/x
  3. Step 3: Cross multiply
    372,990x = 573,645 × 573,645
  4. Step 4: Simplify right side
    372,990x = 329,068,586,025
  5. Step 5: Solve for x
    x = 329,068,586,025/372,990
  6. Step 6: Final answer
    x = 882,245.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.