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Finding the Third Proportional to 40,779 and 63,024

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Solution

The third proportional to 40,779 and 63,024 is: 97,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779 : 63,024 = 63,024 : x
  2. Step 2: Convert to fraction form
    40,779/63,024 = 63,024/x
  3. Step 3: Cross multiply
    40,779x = 63,024 × 63,024
  4. Step 4: Simplify right side
    40,779x = 3,972,024,576
  5. Step 5: Solve for x
    x = 3,972,024,576/40,779
  6. Step 6: Final answer
    x = 97,403.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.