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Finding the Third Proportional to 206,712 and 310,068

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Solution

The third proportional to 206,712 and 310,068 is: 465,102

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,712 : 310,068 = 310,068 : x
  2. Step 2: Convert to fraction form
    206,712/310,068 = 310,068/x
  3. Step 3: Cross multiply
    206,712x = 310,068 × 310,068
  4. Step 4: Simplify right side
    206,712x = 96,142,164,624
  5. Step 5: Solve for x
    x = 96,142,164,624/206,712
  6. Step 6: Final answer
    x = 465,102

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.