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Finding the Third Proportional to 528,993 and 793,485

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Solution

The third proportional to 528,993 and 793,485 is: 1,190,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,993 : 793,485 = 793,485 : x
  2. Step 2: Convert to fraction form
    528,993/793,485 = 793,485/x
  3. Step 3: Cross multiply
    528,993x = 793,485 × 793,485
  4. Step 4: Simplify right side
    528,993x = 629,618,445,225
  5. Step 5: Solve for x
    x = 629,618,445,225/528,993
  6. Step 6: Final answer
    x = 1,190,220.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.