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Finding the Third Proportional to 603,155.25 and 918,883.50

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Solution

The third proportional to 603,155.25 and 918,883.50 is: 1,399,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,155.25 : 918,883.50 = 918,883.50 : x
  2. Step 2: Convert to fraction form
    603,155.25/918,883.50 = 918,883.50/x
  3. Step 3: Cross multiply
    603,155.25x = 918,883.50 × 918,883.50
  4. Step 4: Simplify right side
    603,155.25x = 844,346,886,572.25
  5. Step 5: Solve for x
    x = 844,346,886,572.25/603,155.25
  6. Step 6: Final answer
    x = 1,399,883.18

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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.