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Finding the Third Proportional to 14,031,988 and 20,990,761

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Solution

The third proportional to 14,031,988 and 20,990,761 is: 31,400,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031,988 : 20,990,761 = 20,990,761 : x
  2. Step 2: Convert to fraction form
    14,031,988/20,990,761 = 20,990,761/x
  3. Step 3: Cross multiply
    14,031,988x = 20,990,761 × 20,990,761
  4. Step 4: Simplify right side
    14,031,988x = 440,612,047,359,121
  5. Step 5: Solve for x
    x = 440,612,047,359,121/14,031,988
  6. Step 6: Final answer
    x = 31,400,543.34

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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.