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Finding the Third Proportional to 289,773 and 425,976.75

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Solution

The third proportional to 289,773 and 425,976.75 is: 626,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,773 : 425,976.75 = 425,976.75 : x
  2. Step 2: Convert to fraction form
    289,773/425,976.75 = 425,976.75/x
  3. Step 3: Cross multiply
    289,773x = 425,976.75 × 425,976.75
  4. Step 4: Simplify right side
    289,773x = 181,456,191,540.56
  5. Step 5: Solve for x
    x = 181,456,191,540.56/289,773
  6. Step 6: Final answer
    x = 626,201.17

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.