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Finding the Third Proportional to 8,866,947 and 19,191,201

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Solution

The third proportional to 8,866,947 and 19,191,201 is: 41,536,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866,947 : 19,191,201 = 19,191,201 : x
  2. Step 2: Convert to fraction form
    8,866,947/19,191,201 = 19,191,201/x
  3. Step 3: Cross multiply
    8,866,947x = 19,191,201 × 19,191,201
  4. Step 4: Simplify right side
    8,866,947x = 368,302,195,822,401
  5. Step 5: Solve for x
    x = 368,302,195,822,401/8,866,947
  6. Step 6: Final answer
    x = 41,536,528.39

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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.