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Finding the Third Proportional to 20,922,354 and 45,147,564

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Solution

The third proportional to 20,922,354 and 45,147,564 is: 97,422,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,354 : 45,147,564 = 45,147,564 : x
  2. Step 2: Convert to fraction form
    20,922,354/45,147,564 = 45,147,564/x
  3. Step 3: Cross multiply
    20,922,354x = 45,147,564 × 45,147,564
  4. Step 4: Simplify right side
    20,922,354x = 2,038,302,535,134,096
  5. Step 5: Solve for x
    x = 2,038,302,535,134,096/20,922,354
  6. Step 6: Final answer
    x = 97,422,237.25

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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.