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Finding the Third Proportional to 99,875 and 214,573

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Solution

The third proportional to 99,875 and 214,573 is: 460,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,875 : 214,573 = 214,573 : x
  2. Step 2: Convert to fraction form
    99,875/214,573 = 214,573/x
  3. Step 3: Cross multiply
    99,875x = 214,573 × 214,573
  4. Step 4: Simplify right side
    99,875x = 46,041,572,329
  5. Step 5: Solve for x
    x = 46,041,572,329/99,875
  6. Step 6: Final answer
    x = 460,991.96

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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.