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Finding the Third Proportional to 161,115 and 236,740.50

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Solution

The third proportional to 161,115 and 236,740.50 is: 347,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,115 : 236,740.50 = 236,740.50 : x
  2. Step 2: Convert to fraction form
    161,115/236,740.50 = 236,740.50/x
  3. Step 3: Cross multiply
    161,115x = 236,740.50 × 236,740.50
  4. Step 4: Simplify right side
    161,115x = 56,046,064,340.25
  5. Step 5: Solve for x
    x = 56,046,064,340.25/161,115
  6. Step 6: Final answer
    x = 347,863.73

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.