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Finding the Third Proportional to 162,104 and 260,455

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Solution

The third proportional to 162,104 and 260,455 is: 418,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,104 : 260,455 = 260,455 : x
  2. Step 2: Convert to fraction form
    162,104/260,455 = 260,455/x
  3. Step 3: Cross multiply
    162,104x = 260,455 × 260,455
  4. Step 4: Simplify right side
    162,104x = 67,836,807,025
  5. Step 5: Solve for x
    x = 67,836,807,025/162,104
  6. Step 6: Final answer
    x = 418,477.07

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.