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Finding the Third Proportional to 10,221,747 and 21,861,765

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Solution

The third proportional to 10,221,747 and 21,861,765 is: 46,756,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,747 : 21,861,765 = 21,861,765 : x
  2. Step 2: Convert to fraction form
    10,221,747/21,861,765 = 21,861,765/x
  3. Step 3: Cross multiply
    10,221,747x = 21,861,765 × 21,861,765
  4. Step 4: Simplify right side
    10,221,747x = 477,936,768,915,225
  5. Step 5: Solve for x
    x = 477,936,768,915,225/10,221,747
  6. Step 6: Final answer
    x = 46,756,857.60

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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.