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Finding the Third Proportional to 7,178.63 and 15,622.88

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Solution

The third proportional to 7,178.63 and 15,622.88 is: 34,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.63 : 15,622.88 = 15,622.88 : x
  2. Step 2: Convert to fraction form
    7,178.63/15,622.88 = 15,622.88/x
  3. Step 3: Cross multiply
    7,178.63x = 15,622.88 × 15,622.88
  4. Step 4: Simplify right side
    7,178.63x = 244,074,223.27
  5. Step 5: Solve for x
    x = 244,074,223.27/7,178.63
  6. Step 6: Final answer
    x = 34,000.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.