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Finding the Third Proportional to 74,317.50 and 106,454.25

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Solution

The third proportional to 74,317.50 and 106,454.25 is: 152,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,317.50 : 106,454.25 = 106,454.25 : x
  2. Step 2: Convert to fraction form
    74,317.50/106,454.25 = 106,454.25/x
  3. Step 3: Cross multiply
    74,317.50x = 106,454.25 × 106,454.25
  4. Step 4: Simplify right side
    74,317.50x = 11,332,507,343.06
  5. Step 5: Solve for x
    x = 11,332,507,343.06/74,317.50
  6. Step 6: Final answer
    x = 152,487.74

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.