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Finding the Third Proportional to 19,266 and 30,515

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Solution

The third proportional to 19,266 and 30,515 is: 48,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266 : 30,515 = 30,515 : x
  2. Step 2: Convert to fraction form
    19,266/30,515 = 30,515/x
  3. Step 3: Cross multiply
    19,266x = 30,515 × 30,515
  4. Step 4: Simplify right side
    19,266x = 931,165,225
  5. Step 5: Solve for x
    x = 931,165,225/19,266
  6. Step 6: Final answer
    x = 48,332.05

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.