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Finding the Third Proportional to 100,964 and 220,265

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Solution

The third proportional to 100,964 and 220,265 is: 480,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,964 : 220,265 = 220,265 : x
  2. Step 2: Convert to fraction form
    100,964/220,265 = 220,265/x
  3. Step 3: Cross multiply
    100,964x = 220,265 × 220,265
  4. Step 4: Simplify right side
    100,964x = 48,516,670,225
  5. Step 5: Solve for x
    x = 48,516,670,225/100,964
  6. Step 6: Final answer
    x = 480,534.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.