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Finding the Third Proportional to 131,700 and 292,960

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Solution

The third proportional to 131,700 and 292,960 is: 651,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,700 : 292,960 = 292,960 : x
  2. Step 2: Convert to fraction form
    131,700/292,960 = 292,960/x
  3. Step 3: Cross multiply
    131,700x = 292,960 × 292,960
  4. Step 4: Simplify right side
    131,700x = 85,825,561,600
  5. Step 5: Solve for x
    x = 85,825,561,600/131,700
  6. Step 6: Final answer
    x = 651,674.73

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.