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Finding the Third Proportional to 8,913,679 and 19,531,043

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Solution

The third proportional to 8,913,679 and 19,531,043 is: 42,795,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913,679 : 19,531,043 = 19,531,043 : x
  2. Step 2: Convert to fraction form
    8,913,679/19,531,043 = 19,531,043/x
  3. Step 3: Cross multiply
    8,913,679x = 19,531,043 × 19,531,043
  4. Step 4: Simplify right side
    8,913,679x = 381,461,640,667,849
  5. Step 5: Solve for x
    x = 381,461,640,667,849/8,913,679
  6. Step 6: Final answer
    x = 42,795,083.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.