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Finding the Third Proportional to 14,031,964 and 20,990,730

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Solution

The third proportional to 14,031,964 and 20,990,730 is: 31,400,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031,964 : 20,990,730 = 20,990,730 : x
  2. Step 2: Convert to fraction form
    14,031,964/20,990,730 = 20,990,730/x
  3. Step 3: Cross multiply
    14,031,964x = 20,990,730 × 20,990,730
  4. Step 4: Simplify right side
    14,031,964x = 440,610,745,932,900
  5. Step 5: Solve for x
    x = 440,610,745,932,900/14,031,964
  6. Step 6: Final answer
    x = 31,400,504.30

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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.