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Finding the Third Proportional to 8,218,937 and 13,089,482

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Solution

The third proportional to 8,218,937 and 13,089,482 is: 20,846,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218,937 : 13,089,482 = 13,089,482 : x
  2. Step 2: Convert to fraction form
    8,218,937/13,089,482 = 13,089,482/x
  3. Step 3: Cross multiply
    8,218,937x = 13,089,482 × 13,089,482
  4. Step 4: Simplify right side
    8,218,937x = 171,334,539,028,324
  5. Step 5: Solve for x
    x = 171,334,539,028,324/8,218,937
  6. Step 6: Final answer
    x = 20,846,313.71

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.