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Finding the Third Proportional to 96,655.50 and 209,916

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Solution

The third proportional to 96,655.50 and 209,916 is: 455,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,655.50 : 209,916 = 209,916 : x
  2. Step 2: Convert to fraction form
    96,655.50/209,916 = 209,916/x
  3. Step 3: Cross multiply
    96,655.50x = 209,916 × 209,916
  4. Step 4: Simplify right side
    96,655.50x = 44,064,727,056
  5. Step 5: Solve for x
    x = 44,064,727,056/96,655.50
  6. Step 6: Final answer
    x = 455,894.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.