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Finding the Third Proportional to 10,221,683 and 21,861,635

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Solution

The third proportional to 10,221,683 and 21,861,635 is: 46,756,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,683 : 21,861,635 = 21,861,635 : x
  2. Step 2: Convert to fraction form
    10,221,683/21,861,635 = 21,861,635/x
  3. Step 3: Cross multiply
    10,221,683x = 21,861,635 × 21,861,635
  4. Step 4: Simplify right side
    10,221,683x = 477,931,084,873,225
  5. Step 5: Solve for x
    x = 477,931,084,873,225/10,221,683
  6. Step 6: Final answer
    x = 46,756,594.28

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.