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Finding the Third Proportional to 3,492 and 8,316

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Solution

The third proportional to 3,492 and 8,316 is: 19,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492 : 8,316 = 8,316 : x
  2. Step 2: Convert to fraction form
    3,492/8,316 = 8,316/x
  3. Step 3: Cross multiply
    3,492x = 8,316 × 8,316
  4. Step 4: Simplify right side
    3,492x = 69,155,856
  5. Step 5: Solve for x
    x = 69,155,856/3,492
  6. Step 6: Final answer
    x = 19,804.08

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.