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Finding the Third Proportional to 262,092 and 392,724

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Solution

The third proportional to 262,092 and 392,724 is: 588,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,092 : 392,724 = 392,724 : x
  2. Step 2: Convert to fraction form
    262,092/392,724 = 392,724/x
  3. Step 3: Cross multiply
    262,092x = 392,724 × 392,724
  4. Step 4: Simplify right side
    262,092x = 154,232,140,176
  5. Step 5: Solve for x
    x = 154,232,140,176/262,092
  6. Step 6: Final answer
    x = 588,465.65

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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.