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Finding the Third Proportional to 8,030 and 12,565

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Solution

The third proportional to 8,030 and 12,565 is: 19,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030 : 12,565 = 12,565 : x
  2. Step 2: Convert to fraction form
    8,030/12,565 = 12,565/x
  3. Step 3: Cross multiply
    8,030x = 12,565 × 12,565
  4. Step 4: Simplify right side
    8,030x = 157,879,225
  5. Step 5: Solve for x
    x = 157,879,225/8,030
  6. Step 6: Final answer
    x = 19,661.17

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.