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Finding the Third Proportional to 20,886,713 and 31,930,537

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Solution

The third proportional to 20,886,713 and 31,930,537 is: 48,813,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,713 : 31,930,537 = 31,930,537 : x
  2. Step 2: Convert to fraction form
    20,886,713/31,930,537 = 31,930,537/x
  3. Step 3: Cross multiply
    20,886,713x = 31,930,537 × 31,930,537
  4. Step 4: Simplify right side
    20,886,713x = 1,019,559,193,108,369
  5. Step 5: Solve for x
    x = 1,019,559,193,108,369/20,886,713
  6. Step 6: Final answer
    x = 48,813,769.46

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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.