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Finding the Third Proportional to 20,886,735 and 31,930,437

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Solution

The third proportional to 20,886,735 and 31,930,437 is: 48,813,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,735 : 31,930,437 = 31,930,437 : x
  2. Step 2: Convert to fraction form
    20,886,735/31,930,437 = 31,930,437/x
  3. Step 3: Cross multiply
    20,886,735x = 31,930,437 × 31,930,437
  4. Step 4: Simplify right side
    20,886,735x = 1,019,552,807,010,969
  5. Step 5: Solve for x
    x = 1,019,552,807,010,969/20,886,735
  6. Step 6: Final answer
    x = 48,813,412.29

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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.