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Finding the Third Proportional to 14,688 and 20,934

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Solution

The third proportional to 14,688 and 20,934 is: 29,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688 : 20,934 = 20,934 : x
  2. Step 2: Convert to fraction form
    14,688/20,934 = 20,934/x
  3. Step 3: Cross multiply
    14,688x = 20,934 × 20,934
  4. Step 4: Simplify right side
    14,688x = 438,232,356
  5. Step 5: Solve for x
    x = 438,232,356/14,688
  6. Step 6: Final answer
    x = 29,836.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.