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Finding the Third Proportional to 125,553 and 195,943.50

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Solution

The third proportional to 125,553 and 195,943.50 is: 305,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,553 : 195,943.50 = 195,943.50 : x
  2. Step 2: Convert to fraction form
    125,553/195,943.50 = 195,943.50/x
  3. Step 3: Cross multiply
    125,553x = 195,943.50 × 195,943.50
  4. Step 4: Simplify right side
    125,553x = 38,393,855,192.25
  5. Step 5: Solve for x
    x = 38,393,855,192.25/125,553
  6. Step 6: Final answer
    x = 305,797.99

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.