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Finding the Third Proportional to 8,403.75 and 14,931.84

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Solution

The third proportional to 8,403.75 and 14,931.84 is: 26,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.75 : 14,931.84 = 14,931.84 : x
  2. Step 2: Convert to fraction form
    8,403.75/14,931.84 = 14,931.84/x
  3. Step 3: Cross multiply
    8,403.75x = 14,931.84 × 14,931.84
  4. Step 4: Simplify right side
    8,403.75x = 222,959,957.77
  5. Step 5: Solve for x
    x = 222,959,957.77/8,403.75
  6. Step 6: Final answer
    x = 26,531.01

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.