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Finding the Third Proportional to 145,969.50 and 221,695.75

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Solution

The third proportional to 145,969.50 and 221,695.75 is: 336,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,969.50 : 221,695.75 = 221,695.75 : x
  2. Step 2: Convert to fraction form
    145,969.50/221,695.75 = 221,695.75/x
  3. Step 3: Cross multiply
    145,969.50x = 221,695.75 × 221,695.75
  4. Step 4: Simplify right side
    145,969.50x = 49,149,005,568.06
  5. Step 5: Solve for x
    x = 49,149,005,568.06/145,969.50
  6. Step 6: Final answer
    x = 336,707.36

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.