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Finding the Third Proportional to 19,490 and 29,235

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Solution

The third proportional to 19,490 and 29,235 is: 43,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490 : 29,235 = 29,235 : x
  2. Step 2: Convert to fraction form
    19,490/29,235 = 29,235/x
  3. Step 3: Cross multiply
    19,490x = 29,235 × 29,235
  4. Step 4: Simplify right side
    19,490x = 854,685,225
  5. Step 5: Solve for x
    x = 854,685,225/19,490
  6. Step 6: Final answer
    x = 43,852.50

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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.