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Finding the Third Proportional to 18,566,178 and 28,383,021

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Solution

The third proportional to 18,566,178 and 28,383,021 is: 43,390,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566,178 : 28,383,021 = 28,383,021 : x
  2. Step 2: Convert to fraction form
    18,566,178/28,383,021 = 28,383,021/x
  3. Step 3: Cross multiply
    18,566,178x = 28,383,021 × 28,383,021
  4. Step 4: Simplify right side
    18,566,178x = 805,595,881,086,441
  5. Step 5: Solve for x
    x = 805,595,881,086,441/18,566,178
  6. Step 6: Final answer
    x = 43,390,507.25

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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.