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Finding the Third Proportional to 550,480.13 and 850,769.63

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Solution

The third proportional to 550,480.13 and 850,769.63 is: 1,314,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,480.13 : 850,769.63 = 850,769.63 : x
  2. Step 2: Convert to fraction form
    550,480.13/850,769.63 = 850,769.63/x
  3. Step 3: Cross multiply
    550,480.13x = 850,769.63 × 850,769.63
  4. Step 4: Simplify right side
    550,480.13x = 723,808,954,822.64
  5. Step 5: Solve for x
    x = 723,808,954,822.64/550,480.13
  6. Step 6: Final answer
    x = 1,314,868.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.