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Finding the Third Proportional to 7,281 and 15,795

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Solution

The third proportional to 7,281 and 15,795 is: 34,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281 : 15,795 = 15,795 : x
  2. Step 2: Convert to fraction form
    7,281/15,795 = 15,795/x
  3. Step 3: Cross multiply
    7,281x = 15,795 × 15,795
  4. Step 4: Simplify right side
    7,281x = 249,482,025
  5. Step 5: Solve for x
    x = 249,482,025/7,281
  6. Step 6: Final answer
    x = 34,264.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.