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Finding the Third Proportional to 28,434.38 and 61,914.38

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Solution

The third proportional to 28,434.38 and 61,914.38 is: 134,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.38 : 61,914.38 = 61,914.38 : x
  2. Step 2: Convert to fraction form
    28,434.38/61,914.38 = 61,914.38/x
  3. Step 3: Cross multiply
    28,434.38x = 61,914.38 × 61,914.38
  4. Step 4: Simplify right side
    28,434.38x = 3,833,389,831.64
  5. Step 5: Solve for x
    x = 3,833,389,831.64/28,434.38
  6. Step 6: Final answer
    x = 134,815.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.