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Finding the Third Proportional to 30,532 and 65,667.50

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Solution

The third proportional to 30,532 and 65,667.50 is: 141,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532 : 65,667.50 = 65,667.50 : x
  2. Step 2: Convert to fraction form
    30,532/65,667.50 = 65,667.50/x
  3. Step 3: Cross multiply
    30,532x = 65,667.50 × 65,667.50
  4. Step 4: Simplify right side
    30,532x = 4,312,220,556.25
  5. Step 5: Solve for x
    x = 4,312,220,556.25/30,532
  6. Step 6: Final answer
    x = 141,236.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.