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Finding the Third Proportional to 8,666,208 and 18,778,752

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Solution

The third proportional to 8,666,208 and 18,778,752 is: 40,691,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,208 : 18,778,752 = 18,778,752 : x
  2. Step 2: Convert to fraction form
    8,666,208/18,778,752 = 18,778,752/x
  3. Step 3: Cross multiply
    8,666,208x = 18,778,752 × 18,778,752
  4. Step 4: Simplify right side
    8,666,208x = 352,641,526,677,504
  5. Step 5: Solve for x
    x = 352,641,526,677,504/8,666,208
  6. Step 6: Final answer
    x = 40,691,560.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.