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Finding the Third Proportional to 99,418 and 214,594

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Solution

The third proportional to 99,418 and 214,594 is: 463,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,418 : 214,594 = 214,594 : x
  2. Step 2: Convert to fraction form
    99,418/214,594 = 214,594/x
  3. Step 3: Cross multiply
    99,418x = 214,594 × 214,594
  4. Step 4: Simplify right side
    99,418x = 46,050,584,836
  5. Step 5: Solve for x
    x = 46,050,584,836/99,418
  6. Step 6: Final answer
    x = 463,201.68

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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.