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Finding the Third Proportional to 74,802.75 and 161,494.50

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Solution

The third proportional to 74,802.75 and 161,494.50 is: 348,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,802.75 : 161,494.50 = 161,494.50 : x
  2. Step 2: Convert to fraction form
    74,802.75/161,494.50 = 161,494.50/x
  3. Step 3: Cross multiply
    74,802.75x = 161,494.50 × 161,494.50
  4. Step 4: Simplify right side
    74,802.75x = 26,080,473,530.25
  5. Step 5: Solve for x
    x = 26,080,473,530.25/74,802.75
  6. Step 6: Final answer
    x = 348,656.61

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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.