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Finding the Third Proportional to 8,712 and 23,739.75

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Solution

The third proportional to 8,712 and 23,739.75 is: 64,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712 : 23,739.75 = 23,739.75 : x
  2. Step 2: Convert to fraction form
    8,712/23,739.75 = 23,739.75/x
  3. Step 3: Cross multiply
    8,712x = 23,739.75 × 23,739.75
  4. Step 4: Simplify right side
    8,712x = 563,575,730.06
  5. Step 5: Solve for x
    x = 563,575,730.06/8,712
  6. Step 6: Final answer
    x = 64,689.59

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.