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Finding the Third Proportional to 36,699 and 49,419

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Solution

The third proportional to 36,699 and 49,419 is: 66,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699 : 49,419 = 49,419 : x
  2. Step 2: Convert to fraction form
    36,699/49,419 = 49,419/x
  3. Step 3: Cross multiply
    36,699x = 49,419 × 49,419
  4. Step 4: Simplify right side
    36,699x = 2,442,237,561
  5. Step 5: Solve for x
    x = 2,442,237,561/36,699
  6. Step 6: Final answer
    x = 66,547.80

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.