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Finding the Third Proportional to 18,807,956 and 28,698,378

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Solution

The third proportional to 18,807,956 and 28,698,378 is: 43,789,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807,956 : 28,698,378 = 28,698,378 : x
  2. Step 2: Convert to fraction form
    18,807,956/28,698,378 = 28,698,378/x
  3. Step 3: Cross multiply
    18,807,956x = 28,698,378 × 28,698,378
  4. Step 4: Simplify right side
    18,807,956x = 823,596,899,830,884
  5. Step 5: Solve for x
    x = 823,596,899,830,884/18,807,956
  6. Step 6: Final answer
    x = 43,789,814.26

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.