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Finding the Third Proportional to 74,400 and 111,594

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Solution

The third proportional to 74,400 and 111,594 is: 167,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,400 : 111,594 = 111,594 : x
  2. Step 2: Convert to fraction form
    74,400/111,594 = 111,594/x
  3. Step 3: Cross multiply
    74,400x = 111,594 × 111,594
  4. Step 4: Simplify right side
    74,400x = 12,453,220,836
  5. Step 5: Solve for x
    x = 12,453,220,836/74,400
  6. Step 6: Final answer
    x = 167,382.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.