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Finding the Third Proportional to 262,096 and 392,730

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Solution

The third proportional to 262,096 and 392,730 is: 588,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,096 : 392,730 = 392,730 : x
  2. Step 2: Convert to fraction form
    262,096/392,730 = 392,730/x
  3. Step 3: Cross multiply
    262,096x = 392,730 × 392,730
  4. Step 4: Simplify right side
    262,096x = 154,236,852,900
  5. Step 5: Solve for x
    x = 154,236,852,900/262,096
  6. Step 6: Final answer
    x = 588,474.65

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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.