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Finding the Third Proportional to 20,922,376 and 45,147,604

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Solution

The third proportional to 20,922,376 and 45,147,604 is: 97,422,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,376 : 45,147,604 = 45,147,604 : x
  2. Step 2: Convert to fraction form
    20,922,376/45,147,604 = 45,147,604/x
  3. Step 3: Cross multiply
    20,922,376x = 45,147,604 × 45,147,604
  4. Step 4: Simplify right side
    20,922,376x = 2,038,306,146,940,816
  5. Step 5: Solve for x
    x = 2,038,306,146,940,816/20,922,376
  6. Step 6: Final answer
    x = 97,422,307.43

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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.