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Finding the Third Proportional to 14,975,110 and 21,399,778

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Solution

The third proportional to 14,975,110 and 21,399,778 is: 30,580,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975,110 : 21,399,778 = 21,399,778 : x
  2. Step 2: Convert to fraction form
    14,975,110/21,399,778 = 21,399,778/x
  3. Step 3: Cross multiply
    14,975,110x = 21,399,778 × 21,399,778
  4. Step 4: Simplify right side
    14,975,110x = 457,950,498,449,284
  5. Step 5: Solve for x
    x = 457,950,498,449,284/14,975,110
  6. Step 6: Final answer
    x = 30,580,776.93

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.