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Finding the Third Proportional to 66,537.75 and 145,957.50

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Solution

The third proportional to 66,537.75 and 145,957.50 is: 320,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537.75 : 145,957.50 = 145,957.50 : x
  2. Step 2: Convert to fraction form
    66,537.75/145,957.50 = 145,957.50/x
  3. Step 3: Cross multiply
    66,537.75x = 145,957.50 × 145,957.50
  4. Step 4: Simplify right side
    66,537.75x = 21,303,591,806.25
  5. Step 5: Solve for x
    x = 21,303,591,806.25/66,537.75
  6. Step 6: Final answer
    x = 320,173.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.