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Finding the Third Proportional to 498,703.50 and 789,805.50

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Solution

The third proportional to 498,703.50 and 789,805.50 is: 1,250,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,703.50 : 789,805.50 = 789,805.50 : x
  2. Step 2: Convert to fraction form
    498,703.50/789,805.50 = 789,805.50/x
  3. Step 3: Cross multiply
    498,703.50x = 789,805.50 × 789,805.50
  4. Step 4: Simplify right side
    498,703.50x = 623,792,727,830.25
  5. Step 5: Solve for x
    x = 623,792,727,830.25/498,703.50
  6. Step 6: Final answer
    x = 1,250,828.85

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.