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Finding the Third Proportional to 161,140.50 and 347,904

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Solution

The third proportional to 161,140.50 and 347,904 is: 751,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,140.50 : 347,904 = 347,904 : x
  2. Step 2: Convert to fraction form
    161,140.50/347,904 = 347,904/x
  3. Step 3: Cross multiply
    161,140.50x = 347,904 × 347,904
  4. Step 4: Simplify right side
    161,140.50x = 121,037,193,216
  5. Step 5: Solve for x
    x = 121,037,193,216/161,140.50
  6. Step 6: Final answer
    x = 751,128.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.