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Finding the Third Proportional to 98,599.99 and 215,960.55

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Solution

The third proportional to 98,599.99 and 215,960.55 is: 473,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,599.99 : 215,960.55 = 215,960.55 : x
  2. Step 2: Convert to fraction form
    98,599.99/215,960.55 = 215,960.55/x
  3. Step 3: Cross multiply
    98,599.99x = 215,960.55 × 215,960.55
  4. Step 4: Simplify right side
    98,599.99x = 46,638,961,180.93
  5. Step 5: Solve for x
    x = 46,638,961,180.93/98,599.99
  6. Step 6: Final answer
    x = 473,011.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.