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Finding the Third Proportional to 63,919.13 and 99,063

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Solution

The third proportional to 63,919.13 and 99,063 is: 153,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,919.13 : 99,063 = 99,063 : x
  2. Step 2: Convert to fraction form
    63,919.13/99,063 = 99,063/x
  3. Step 3: Cross multiply
    63,919.13x = 99,063 × 99,063
  4. Step 4: Simplify right side
    63,919.13x = 9,813,477,969
  5. Step 5: Solve for x
    x = 9,813,477,969/63,919.13
  6. Step 6: Final answer
    x = 153,529.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.