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Finding the Third Proportional to 219,173 and 471,121

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Solution

The third proportional to 219,173 and 471,121 is: 1,012,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,173 : 471,121 = 471,121 : x
  2. Step 2: Convert to fraction form
    219,173/471,121 = 471,121/x
  3. Step 3: Cross multiply
    219,173x = 471,121 × 471,121
  4. Step 4: Simplify right side
    219,173x = 221,954,996,641
  5. Step 5: Solve for x
    x = 221,954,996,641/219,173
  6. Step 6: Final answer
    x = 1,012,693.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.