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Finding the Third Proportional to 161,065.13 and 346,869

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Solution

The third proportional to 161,065.13 and 346,869 is: 747,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,065.13 : 346,869 = 346,869 : x
  2. Step 2: Convert to fraction form
    161,065.13/346,869 = 346,869/x
  3. Step 3: Cross multiply
    161,065.13x = 346,869 × 346,869
  4. Step 4: Simplify right side
    161,065.13x = 120,318,103,161
  5. Step 5: Solve for x
    x = 120,318,103,161/161,065.13
  6. Step 6: Final answer
    x = 747,015.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.