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Finding the Third Proportional to 613,048.50 and 919,777.50

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Solution

The third proportional to 613,048.50 and 919,777.50 is: 1,379,973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,048.50 : 919,777.50 = 919,777.50 : x
  2. Step 2: Convert to fraction form
    613,048.50/919,777.50 = 919,777.50/x
  3. Step 3: Cross multiply
    613,048.50x = 919,777.50 × 919,777.50
  4. Step 4: Simplify right side
    613,048.50x = 845,990,649,506.25
  5. Step 5: Solve for x
    x = 845,990,649,506.25/613,048.50
  6. Step 6: Final answer
    x = 1,379,973.44

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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.