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Finding the Third Proportional to 98,847 and 216,513

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Solution

The third proportional to 98,847 and 216,513 is: 474,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,847 : 216,513 = 216,513 : x
  2. Step 2: Convert to fraction form
    98,847/216,513 = 216,513/x
  3. Step 3: Cross multiply
    98,847x = 216,513 × 216,513
  4. Step 4: Simplify right side
    98,847x = 46,877,879,169
  5. Step 5: Solve for x
    x = 46,877,879,169/98,847
  6. Step 6: Final answer
    x = 474,246.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.