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Finding the Third Proportional to 31,395.38 and 64,999.13

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Solution

The third proportional to 31,395.38 and 64,999.13 is: 134,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.38 : 64,999.13 = 64,999.13 : x
  2. Step 2: Convert to fraction form
    31,395.38/64,999.13 = 64,999.13/x
  3. Step 3: Cross multiply
    31,395.38x = 64,999.13 × 64,999.13
  4. Step 4: Simplify right side
    31,395.38x = 4,224,886,250.77
  5. Step 5: Solve for x
    x = 4,224,886,250.77/31,395.38
  6. Step 6: Final answer
    x = 134,570.34

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.