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Finding the Third Proportional to 20,915,628 and 45,304,488

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Solution

The third proportional to 20,915,628 and 45,304,488 is: 98,132,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,915,628 : 45,304,488 = 45,304,488 : x
  2. Step 2: Convert to fraction form
    20,915,628/45,304,488 = 45,304,488/x
  3. Step 3: Cross multiply
    20,915,628x = 45,304,488 × 45,304,488
  4. Step 4: Simplify right side
    20,915,628x = 2,052,496,632,942,144
  5. Step 5: Solve for x
    x = 2,052,496,632,942,144/20,915,628
  6. Step 6: Final answer
    x = 98,132,202.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.