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Finding the Third Proportional to 69,569.50 and 104,999.88

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Solution

The third proportional to 69,569.50 and 104,999.88 is: 158,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,569.50 : 104,999.88 = 104,999.88 : x
  2. Step 2: Convert to fraction form
    69,569.50/104,999.88 = 104,999.88/x
  3. Step 3: Cross multiply
    69,569.50x = 104,999.88 × 104,999.88
  4. Step 4: Simplify right side
    69,569.50x = 11,024,973,750.02
  5. Step 5: Solve for x
    x = 11,024,973,750.02/69,569.50
  6. Step 6: Final answer
    x = 158,474.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.