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Finding the Third Proportional to 7,567.50 and 15,666

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Solution

The third proportional to 7,567.50 and 15,666 is: 32,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.50 : 15,666 = 15,666 : x
  2. Step 2: Convert to fraction form
    7,567.50/15,666 = 15,666/x
  3. Step 3: Cross multiply
    7,567.50x = 15,666 × 15,666
  4. Step 4: Simplify right side
    7,567.50x = 245,423,556
  5. Step 5: Solve for x
    x = 245,423,556/7,567.50
  6. Step 6: Final answer
    x = 32,431.26

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.