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Finding the Third Proportional to 18,238,398 and 28,461,789

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Solution

The third proportional to 18,238,398 and 28,461,789 is: 44,415,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238,398 : 28,461,789 = 28,461,789 : x
  2. Step 2: Convert to fraction form
    18,238,398/28,461,789 = 28,461,789/x
  3. Step 3: Cross multiply
    18,238,398x = 28,461,789 × 28,461,789
  4. Step 4: Simplify right side
    18,238,398x = 810,073,433,080,521
  5. Step 5: Solve for x
    x = 810,073,433,080,521/18,238,398
  6. Step 6: Final answer
    x = 44,415,821.67

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.