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Finding the Third Proportional to 14,031,966 and 20,990,733

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Solution

The third proportional to 14,031,966 and 20,990,733 is: 31,400,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031,966 : 20,990,733 = 20,990,733 : x
  2. Step 2: Convert to fraction form
    14,031,966/20,990,733 = 20,990,733/x
  3. Step 3: Cross multiply
    14,031,966x = 20,990,733 × 20,990,733
  4. Step 4: Simplify right side
    14,031,966x = 440,610,871,877,289
  5. Step 5: Solve for x
    x = 440,610,871,877,289/14,031,966
  6. Step 6: Final answer
    x = 31,400,508.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.