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Finding the Third Proportional to 14,292 and 21,316

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Solution

The third proportional to 14,292 and 21,316 is: 31,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292 : 21,316 = 21,316 : x
  2. Step 2: Convert to fraction form
    14,292/21,316 = 21,316/x
  3. Step 3: Cross multiply
    14,292x = 21,316 × 21,316
  4. Step 4: Simplify right side
    14,292x = 454,371,856
  5. Step 5: Solve for x
    x = 454,371,856/14,292
  6. Step 6: Final answer
    x = 31,792.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.