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Finding the Third Proportional to 24,300 and 39,678.75

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Solution

The third proportional to 24,300 and 39,678.75 is: 64,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,300 : 39,678.75 = 39,678.75 : x
  2. Step 2: Convert to fraction form
    24,300/39,678.75 = 39,678.75/x
  3. Step 3: Cross multiply
    24,300x = 39,678.75 × 39,678.75
  4. Step 4: Simplify right side
    24,300x = 1,574,403,201.56
  5. Step 5: Solve for x
    x = 1,574,403,201.56/24,300
  6. Step 6: Final answer
    x = 64,790.26

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.