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Finding the Third Proportional to 38,485.13 and 56,396.25

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Solution

The third proportional to 38,485.13 and 56,396.25 is: 82,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,485.13 : 56,396.25 = 56,396.25 : x
  2. Step 2: Convert to fraction form
    38,485.13/56,396.25 = 56,396.25/x
  3. Step 3: Cross multiply
    38,485.13x = 56,396.25 × 56,396.25
  4. Step 4: Simplify right side
    38,485.13x = 3,180,537,014.06
  5. Step 5: Solve for x
    x = 3,180,537,014.06/38,485.13
  6. Step 6: Final answer
    x = 82,643.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.