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Finding the Third Proportional to 10,567.50 and 15,545

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Solution

The third proportional to 10,567.50 and 15,545 is: 22,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.50 : 15,545 = 15,545 : x
  2. Step 2: Convert to fraction form
    10,567.50/15,545 = 15,545/x
  3. Step 3: Cross multiply
    10,567.50x = 15,545 × 15,545
  4. Step 4: Simplify right side
    10,567.50x = 241,647,025
  5. Step 5: Solve for x
    x = 241,647,025/10,567.50
  6. Step 6: Final answer
    x = 22,867.00

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.