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Finding the Third Proportional to 74,005.50 and 112,850.25

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Solution

The third proportional to 74,005.50 and 112,850.25 is: 172,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,005.50 : 112,850.25 = 112,850.25 : x
  2. Step 2: Convert to fraction form
    74,005.50/112,850.25 = 112,850.25/x
  3. Step 3: Cross multiply
    74,005.50x = 112,850.25 × 112,850.25
  4. Step 4: Simplify right side
    74,005.50x = 12,735,178,925.06
  5. Step 5: Solve for x
    x = 12,735,178,925.06/74,005.50
  6. Step 6: Final answer
    x = 172,084.22

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.