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Finding the Third Proportional to 134,994 and 206,580

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Solution

The third proportional to 134,994 and 206,580 is: 316,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,994 : 206,580 = 206,580 : x
  2. Step 2: Convert to fraction form
    134,994/206,580 = 206,580/x
  3. Step 3: Cross multiply
    134,994x = 206,580 × 206,580
  4. Step 4: Simplify right side
    134,994x = 42,675,296,400
  5. Step 5: Solve for x
    x = 42,675,296,400/134,994
  6. Step 6: Final answer
    x = 316,127.36

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.