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Finding the Third Proportional to 97,830 and 214,413

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Solution

The third proportional to 97,830 and 214,413 is: 469,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,830 : 214,413 = 214,413 : x
  2. Step 2: Convert to fraction form
    97,830/214,413 = 214,413/x
  3. Step 3: Cross multiply
    97,830x = 214,413 × 214,413
  4. Step 4: Simplify right side
    97,830x = 45,972,934,569
  5. Step 5: Solve for x
    x = 45,972,934,569/97,830
  6. Step 6: Final answer
    x = 469,926.76

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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.