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Finding the Third Proportional to 31,325.63 and 67,541.63

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Solution

The third proportional to 31,325.63 and 67,541.63 is: 145,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.63 : 67,541.63 = 67,541.63 : x
  2. Step 2: Convert to fraction form
    31,325.63/67,541.63 = 67,541.63/x
  3. Step 3: Cross multiply
    31,325.63x = 67,541.63 × 67,541.63
  4. Step 4: Simplify right side
    31,325.63x = 4,561,871,107.64
  5. Step 5: Solve for x
    x = 4,561,871,107.64/31,325.63
  6. Step 6: Final answer
    x = 145,627.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.