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Finding the Third Proportional to 13,830,387.75 and 20,297,178

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Solution

The third proportional to 13,830,387.75 and 20,297,178 is: 29,787,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830,387.75 : 20,297,178 = 20,297,178 : x
  2. Step 2: Convert to fraction form
    13,830,387.75/20,297,178 = 20,297,178/x
  3. Step 3: Cross multiply
    13,830,387.75x = 20,297,178 × 20,297,178
  4. Step 4: Simplify right side
    13,830,387.75x = 411,975,434,763,684
  5. Step 5: Solve for x
    x = 411,975,434,763,684/13,830,387.75
  6. Step 6: Final answer
    x = 29,787,699.54

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.