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Finding the Third Proportional to 10,020 and 15,158

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Solution

The third proportional to 10,020 and 15,158 is: 22,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020 : 15,158 = 15,158 : x
  2. Step 2: Convert to fraction form
    10,020/15,158 = 15,158/x
  3. Step 3: Cross multiply
    10,020x = 15,158 × 15,158
  4. Step 4: Simplify right side
    10,020x = 229,764,964
  5. Step 5: Solve for x
    x = 229,764,964/10,020
  6. Step 6: Final answer
    x = 22,930.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.