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Finding the Third Proportional to 13,994,940 and 20,871,047.25

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Solution

The third proportional to 13,994,940 and 20,871,047.25 is: 31,125,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994,940 : 20,871,047.25 = 20,871,047.25 : x
  2. Step 2: Convert to fraction form
    13,994,940/20,871,047.25 = 20,871,047.25/x
  3. Step 3: Cross multiply
    13,994,940x = 20,871,047.25 × 20,871,047.25
  4. Step 4: Simplify right side
    13,994,940x = 435,600,613,311,732.56
  5. Step 5: Solve for x
    x = 435,600,613,311,732.56/13,994,940
  6. Step 6: Final answer
    x = 31,125,579.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.