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Finding the Third Proportional to 9,158 and 19,270

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Solution

The third proportional to 9,158 and 19,270 is: 40,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158 : 19,270 = 19,270 : x
  2. Step 2: Convert to fraction form
    9,158/19,270 = 19,270/x
  3. Step 3: Cross multiply
    9,158x = 19,270 × 19,270
  4. Step 4: Simplify right side
    9,158x = 371,332,900
  5. Step 5: Solve for x
    x = 371,332,900/9,158
  6. Step 6: Final answer
    x = 40,547.38

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.