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Finding the Third Proportional to 74,507.50 and 145,268.50

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Solution

The third proportional to 74,507.50 and 145,268.50 is: 283,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,507.50 : 145,268.50 = 145,268.50 : x
  2. Step 2: Convert to fraction form
    74,507.50/145,268.50 = 145,268.50/x
  3. Step 3: Cross multiply
    74,507.50x = 145,268.50 × 145,268.50
  4. Step 4: Simplify right side
    74,507.50x = 21,102,937,092.25
  5. Step 5: Solve for x
    x = 21,102,937,092.25/74,507.50
  6. Step 6: Final answer
    x = 283,232.39

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.