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Finding the Third Proportional to 73,388 and 160,840

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Solution

The third proportional to 73,388 and 160,840 is: 352,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,388 : 160,840 = 160,840 : x
  2. Step 2: Convert to fraction form
    73,388/160,840 = 160,840/x
  3. Step 3: Cross multiply
    73,388x = 160,840 × 160,840
  4. Step 4: Simplify right side
    73,388x = 25,869,505,600
  5. Step 5: Solve for x
    x = 25,869,505,600/73,388
  6. Step 6: Final answer
    x = 352,503.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.