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Finding the Third Proportional to 67,213 and 99,283

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Solution

The third proportional to 67,213 and 99,283 is: 146,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,213 : 99,283 = 99,283 : x
  2. Step 2: Convert to fraction form
    67,213/99,283 = 99,283/x
  3. Step 3: Cross multiply
    67,213x = 99,283 × 99,283
  4. Step 4: Simplify right side
    67,213x = 9,857,114,089
  5. Step 5: Solve for x
    x = 9,857,114,089/67,213
  6. Step 6: Final answer
    x = 146,654.87

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.