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Finding the Third Proportional to 29,378 and 43,938

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Solution

The third proportional to 29,378 and 43,938 is: 65,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378 : 43,938 = 43,938 : x
  2. Step 2: Convert to fraction form
    29,378/43,938 = 43,938/x
  3. Step 3: Cross multiply
    29,378x = 43,938 × 43,938
  4. Step 4: Simplify right side
    29,378x = 1,930,547,844
  5. Step 5: Solve for x
    x = 1,930,547,844/29,378
  6. Step 6: Final answer
    x = 65,714.07

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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.