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Finding the Third Proportional to 18,056,178 and 39,057,435

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Solution

The third proportional to 18,056,178 and 39,057,435 is: 84,485,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056,178 : 39,057,435 = 39,057,435 : x
  2. Step 2: Convert to fraction form
    18,056,178/39,057,435 = 39,057,435/x
  3. Step 3: Cross multiply
    18,056,178x = 39,057,435 × 39,057,435
  4. Step 4: Simplify right side
    18,056,178x = 1,525,483,228,779,225
  5. Step 5: Solve for x
    x = 1,525,483,228,779,225/18,056,178
  6. Step 6: Final answer
    x = 84,485,389.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.