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Finding the Third Proportional to 19,410 and 29,085

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Solution

The third proportional to 19,410 and 29,085 is: 43,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410 : 29,085 = 29,085 : x
  2. Step 2: Convert to fraction form
    19,410/29,085 = 29,085/x
  3. Step 3: Cross multiply
    19,410x = 29,085 × 29,085
  4. Step 4: Simplify right side
    19,410x = 845,937,225
  5. Step 5: Solve for x
    x = 845,937,225/19,410
  6. Step 6: Final answer
    x = 43,582.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.