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Finding the Third Proportional to 169,411 and 262,318.50

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Solution

The third proportional to 169,411 and 262,318.50 is: 406,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,411 : 262,318.50 = 262,318.50 : x
  2. Step 2: Convert to fraction form
    169,411/262,318.50 = 262,318.50/x
  3. Step 3: Cross multiply
    169,411x = 262,318.50 × 262,318.50
  4. Step 4: Simplify right side
    169,411x = 68,810,995,442.25
  5. Step 5: Solve for x
    x = 68,810,995,442.25/169,411
  6. Step 6: Final answer
    x = 406,177.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.