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Finding the Third Proportional to 31,318,434 and 47,913,687

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Solution

The third proportional to 31,318,434 and 47,913,687 is: 73,302,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318,434 : 47,913,687 = 47,913,687 : x
  2. Step 2: Convert to fraction form
    31,318,434/47,913,687 = 47,913,687/x
  3. Step 3: Cross multiply
    31,318,434x = 47,913,687 × 47,913,687
  4. Step 4: Simplify right side
    31,318,434x = 2,295,721,401,933,969
  5. Step 5: Solve for x
    x = 2,295,721,401,933,969/31,318,434
  6. Step 6: Final answer
    x = 73,302,560.46

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.