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Finding the Third Proportional to 363,861 and 553,135.50

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Solution

The third proportional to 363,861 and 553,135.50 is: 840,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,861 : 553,135.50 = 553,135.50 : x
  2. Step 2: Convert to fraction form
    363,861/553,135.50 = 553,135.50/x
  3. Step 3: Cross multiply
    363,861x = 553,135.50 × 553,135.50
  4. Step 4: Simplify right side
    363,861x = 305,958,881,360.25
  5. Step 5: Solve for x
    x = 305,958,881,360.25/363,861
  6. Step 6: Final answer
    x = 840,867.48

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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.