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Finding the Third Proportional to 69,319.13 and 149,698.13

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Solution

The third proportional to 69,319.13 and 149,698.13 is: 323,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,319.13 : 149,698.13 = 149,698.13 : x
  2. Step 2: Convert to fraction form
    69,319.13/149,698.13 = 149,698.13/x
  3. Step 3: Cross multiply
    69,319.13x = 149,698.13 × 149,698.13
  4. Step 4: Simplify right side
    69,319.13x = 22,409,528,628.52
  5. Step 5: Solve for x
    x = 22,409,528,628.52/69,319.13
  6. Step 6: Final answer
    x = 323,280.60

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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.