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Finding the Third Proportional to 20,922,369 and 45,147,590

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Solution

The third proportional to 20,922,369 and 45,147,590 is: 97,422,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,369 : 45,147,590 = 45,147,590 : x
  2. Step 2: Convert to fraction form
    20,922,369/45,147,590 = 45,147,590/x
  3. Step 3: Cross multiply
    20,922,369x = 45,147,590 × 45,147,590
  4. Step 4: Simplify right side
    20,922,369x = 2,038,304,882,808,100
  5. Step 5: Solve for x
    x = 2,038,304,882,808,100/20,922,369
  6. Step 6: Final answer
    x = 97,422,279.61

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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.