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Finding the Third Proportional to 4,482.56 and 9,477.84

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Solution

The third proportional to 4,482.56 and 9,477.84 is: 20,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.56 : 9,477.84 = 9,477.84 : x
  2. Step 2: Convert to fraction form
    4,482.56/9,477.84 = 9,477.84/x
  3. Step 3: Cross multiply
    4,482.56x = 9,477.84 × 9,477.84
  4. Step 4: Simplify right side
    4,482.56x = 89,829,522.15
  5. Step 5: Solve for x
    x = 89,829,522.15/4,482.56
  6. Step 6: Final answer
    x = 20,039.77

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.