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Finding the Third Proportional to 45,815 and 99,106

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Solution

The third proportional to 45,815 and 99,106 is: 214,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815 : 99,106 = 99,106 : x
  2. Step 2: Convert to fraction form
    45,815/99,106 = 99,106/x
  3. Step 3: Cross multiply
    45,815x = 99,106 × 99,106
  4. Step 4: Simplify right side
    45,815x = 9,821,999,236
  5. Step 5: Solve for x
    x = 9,821,999,236/45,815
  6. Step 6: Final answer
    x = 214,383.92

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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.