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Finding the Third Proportional to 9,148 and 19,716

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Solution

The third proportional to 9,148 and 19,716 is: 42,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148 : 19,716 = 19,716 : x
  2. Step 2: Convert to fraction form
    9,148/19,716 = 19,716/x
  3. Step 3: Cross multiply
    9,148x = 19,716 × 19,716
  4. Step 4: Simplify right side
    9,148x = 388,720,656
  5. Step 5: Solve for x
    x = 388,720,656/9,148
  6. Step 6: Final answer
    x = 42,492.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.