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Finding the Third Proportional to 221,683.50 and 480,406.50

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Solution

The third proportional to 221,683.50 and 480,406.50 is: 1,041,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,683.50 : 480,406.50 = 480,406.50 : x
  2. Step 2: Convert to fraction form
    221,683.50/480,406.50 = 480,406.50/x
  3. Step 3: Cross multiply
    221,683.50x = 480,406.50 × 480,406.50
  4. Step 4: Simplify right side
    221,683.50x = 230,790,405,242.25
  5. Step 5: Solve for x
    x = 230,790,405,242.25/221,683.50
  6. Step 6: Final answer
    x = 1,041,080.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.