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Finding the Third Proportional to 31,318,205 and 47,913,326

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Solution

The third proportional to 31,318,205 and 47,913,326 is: 73,301,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318,205 : 47,913,326 = 47,913,326 : x
  2. Step 2: Convert to fraction form
    31,318,205/47,913,326 = 47,913,326/x
  3. Step 3: Cross multiply
    31,318,205x = 47,913,326 × 47,913,326
  4. Step 4: Simplify right side
    31,318,205x = 2,295,686,808,382,276
  5. Step 5: Solve for x
    x = 2,295,686,808,382,276/31,318,205
  6. Step 6: Final answer
    x = 73,301,991.87

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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.