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Finding the Third Proportional to 6,415 and 14,055.50

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Solution

The third proportional to 6,415 and 14,055.50 is: 30,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415 : 14,055.50 = 14,055.50 : x
  2. Step 2: Convert to fraction form
    6,415/14,055.50 = 14,055.50/x
  3. Step 3: Cross multiply
    6,415x = 14,055.50 × 14,055.50
  4. Step 4: Simplify right side
    6,415x = 197,557,080.25
  5. Step 5: Solve for x
    x = 197,557,080.25/6,415
  6. Step 6: Final answer
    x = 30,796.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.