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Finding the Third Proportional to 5,391 and 14,485.50

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Solution

The third proportional to 5,391 and 14,485.50 is: 38,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391 : 14,485.50 = 14,485.50 : x
  2. Step 2: Convert to fraction form
    5,391/14,485.50 = 14,485.50/x
  3. Step 3: Cross multiply
    5,391x = 14,485.50 × 14,485.50
  4. Step 4: Simplify right side
    5,391x = 209,829,710.25
  5. Step 5: Solve for x
    x = 209,829,710.25/5,391
  6. Step 6: Final answer
    x = 38,922.22

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.