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Finding the Third Proportional to 99,563 and 214,973

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Solution

The third proportional to 99,563 and 214,973 is: 464,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,563 : 214,973 = 214,973 : x
  2. Step 2: Convert to fraction form
    99,563/214,973 = 214,973/x
  3. Step 3: Cross multiply
    99,563x = 214,973 × 214,973
  4. Step 4: Simplify right side
    99,563x = 46,213,390,729
  5. Step 5: Solve for x
    x = 46,213,390,729/99,563
  6. Step 6: Final answer
    x = 464,162.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.