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Finding the Third Proportional to 8,458,579.50 and 12,690,462

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Solution

The third proportional to 8,458,579.50 and 12,690,462 is: 19,039,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,579.50 : 12,690,462 = 12,690,462 : x
  2. Step 2: Convert to fraction form
    8,458,579.50/12,690,462 = 12,690,462/x
  3. Step 3: Cross multiply
    8,458,579.50x = 12,690,462 × 12,690,462
  4. Step 4: Simplify right side
    8,458,579.50x = 161,047,825,773,444
  5. Step 5: Solve for x
    x = 161,047,825,773,444/8,458,579.50
  6. Step 6: Final answer
    x = 19,039,582.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.