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Finding the Third Proportional to 3,979,483.88 and 8,526,775.50

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Solution

The third proportional to 3,979,483.88 and 8,526,775.50 is: 18,270,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,483.88 : 8,526,775.50 = 8,526,775.50 : x
  2. Step 2: Convert to fraction form
    3,979,483.88/8,526,775.50 = 8,526,775.50/x
  3. Step 3: Cross multiply
    3,979,483.88x = 8,526,775.50 × 8,526,775.50
  4. Step 4: Simplify right side
    3,979,483.88x = 72,705,900,427,400.25
  5. Step 5: Solve for x
    x = 72,705,900,427,400.25/3,979,483.88
  6. Step 6: Final answer
    x = 18,270,183.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.