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Finding the Third Proportional to 9,258 and 13,831.50

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Solution

The third proportional to 9,258 and 13,831.50 is: 20,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258 : 13,831.50 = 13,831.50 : x
  2. Step 2: Convert to fraction form
    9,258/13,831.50 = 13,831.50/x
  3. Step 3: Cross multiply
    9,258x = 13,831.50 × 13,831.50
  4. Step 4: Simplify right side
    9,258x = 191,310,392.25
  5. Step 5: Solve for x
    x = 191,310,392.25/9,258
  6. Step 6: Final answer
    x = 20,664.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.