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Finding the Third Proportional to 63,669 and 86,161.50

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Solution

The third proportional to 63,669 and 86,161.50 is: 116,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669 : 86,161.50 = 86,161.50 : x
  2. Step 2: Convert to fraction form
    63,669/86,161.50 = 86,161.50/x
  3. Step 3: Cross multiply
    63,669x = 86,161.50 × 86,161.50
  4. Step 4: Simplify right side
    63,669x = 7,423,804,082.25
  5. Step 5: Solve for x
    x = 7,423,804,082.25/63,669
  6. Step 6: Final answer
    x = 116,599.98

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.