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Finding the Third Proportional to 19,191 and 45,237

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Solution

The third proportional to 19,191 and 45,237 is: 106,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191 : 45,237 = 45,237 : x
  2. Step 2: Convert to fraction form
    19,191/45,237 = 45,237/x
  3. Step 3: Cross multiply
    19,191x = 45,237 × 45,237
  4. Step 4: Simplify right side
    19,191x = 2,046,386,169
  5. Step 5: Solve for x
    x = 2,046,386,169/19,191
  6. Step 6: Final answer
    x = 106,632.60

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.