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Finding the Third Proportional to 5,818,420 and 12,239,804

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Solution

The third proportional to 5,818,420 and 12,239,804 is: 25,748,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818,420 : 12,239,804 = 12,239,804 : x
  2. Step 2: Convert to fraction form
    5,818,420/12,239,804 = 12,239,804/x
  3. Step 3: Cross multiply
    5,818,420x = 12,239,804 × 12,239,804
  4. Step 4: Simplify right side
    5,818,420x = 149,812,801,958,416
  5. Step 5: Solve for x
    x = 149,812,801,958,416/5,818,420
  6. Step 6: Final answer
    x = 25,748,021.28

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.