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Finding the Third Proportional to 46,311 and 99,819

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Solution

The third proportional to 46,311 and 99,819 is: 215,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,311 : 99,819 = 99,819 : x
  2. Step 2: Convert to fraction form
    46,311/99,819 = 99,819/x
  3. Step 3: Cross multiply
    46,311x = 99,819 × 99,819
  4. Step 4: Simplify right side
    46,311x = 9,963,832,761
  5. Step 5: Solve for x
    x = 9,963,832,761/46,311
  6. Step 6: Final answer
    x = 215,150.46

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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.