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Finding the Third Proportional to 4,061,621.25 and 8,920,449.75

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Solution

The third proportional to 4,061,621.25 and 8,920,449.75 is: 19,591,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,061,621.25 : 8,920,449.75 = 8,920,449.75 : x
  2. Step 2: Convert to fraction form
    4,061,621.25/8,920,449.75 = 8,920,449.75/x
  3. Step 3: Cross multiply
    4,061,621.25x = 8,920,449.75 × 8,920,449.75
  4. Step 4: Simplify right side
    4,061,621.25x = 79,574,423,742,275.06
  5. Step 5: Solve for x
    x = 79,574,423,742,275.06/4,061,621.25
  6. Step 6: Final answer
    x = 19,591,788.31

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.