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Finding the Third Proportional to 8,533,872 and 18,661,808

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Solution

The third proportional to 8,533,872 and 18,661,808 is: 40,809,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533,872 : 18,661,808 = 18,661,808 : x
  2. Step 2: Convert to fraction form
    8,533,872/18,661,808 = 18,661,808/x
  3. Step 3: Cross multiply
    8,533,872x = 18,661,808 × 18,661,808
  4. Step 4: Simplify right side
    8,533,872x = 348,263,077,828,864
  5. Step 5: Solve for x
    x = 348,263,077,828,864/8,533,872
  6. Step 6: Final answer
    x = 40,809,503.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.