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Finding the Third Proportional to 216,620 and 450,574

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Solution

The third proportional to 216,620 and 450,574 is: 937,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,620 : 450,574 = 450,574 : x
  2. Step 2: Convert to fraction form
    216,620/450,574 = 450,574/x
  3. Step 3: Cross multiply
    216,620x = 450,574 × 450,574
  4. Step 4: Simplify right side
    216,620x = 203,016,929,476
  5. Step 5: Solve for x
    x = 203,016,929,476/216,620
  6. Step 6: Final answer
    x = 937,203.07

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.