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Finding the Third Proportional to 220,803.19 and 350,200.13

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Solution

The third proportional to 220,803.19 and 350,200.13 is: 555,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,803.19 : 350,200.13 = 350,200.13 : x
  2. Step 2: Convert to fraction form
    220,803.19/350,200.13 = 350,200.13/x
  3. Step 3: Cross multiply
    220,803.19x = 350,200.13 × 350,200.13
  4. Step 4: Simplify right side
    220,803.19x = 122,640,127,550.02
  5. Step 5: Solve for x
    x = 122,640,127,550.02/220,803.19
  6. Step 6: Final answer
    x = 555,427.34

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.