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Finding the Third Proportional to 8,772,912 and 19,562,956

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Solution

The third proportional to 8,772,912 and 19,562,956 is: 43,623,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772,912 : 19,562,956 = 19,562,956 : x
  2. Step 2: Convert to fraction form
    8,772,912/19,562,956 = 19,562,956/x
  3. Step 3: Cross multiply
    8,772,912x = 19,562,956 × 19,562,956
  4. Step 4: Simplify right side
    8,772,912x = 382,709,247,457,936
  5. Step 5: Solve for x
    x = 382,709,247,457,936/8,772,912
  6. Step 6: Final answer
    x = 43,623,969.72

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.