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Finding the Third Proportional to 14,191,254 and 31,129,353

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Solution

The third proportional to 14,191,254 and 31,129,353 is: 68,284,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191,254 : 31,129,353 = 31,129,353 : x
  2. Step 2: Convert to fraction form
    14,191,254/31,129,353 = 31,129,353/x
  3. Step 3: Cross multiply
    14,191,254x = 31,129,353 × 31,129,353
  4. Step 4: Simplify right side
    14,191,254x = 969,036,618,198,609
  5. Step 5: Solve for x
    x = 969,036,618,198,609/14,191,254
  6. Step 6: Final answer
    x = 68,284,072.58

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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.