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Finding the Third Proportional to 194,810 and 292,215

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Solution

The third proportional to 194,810 and 292,215 is: 438,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,810 : 292,215 = 292,215 : x
  2. Step 2: Convert to fraction form
    194,810/292,215 = 292,215/x
  3. Step 3: Cross multiply
    194,810x = 292,215 × 292,215
  4. Step 4: Simplify right side
    194,810x = 85,389,606,225
  5. Step 5: Solve for x
    x = 85,389,606,225/194,810
  6. Step 6: Final answer
    x = 438,322.50

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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.