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Finding the Third Proportional to 20,922,418 and 45,147,684

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Solution

The third proportional to 20,922,418 and 45,147,684 is: 97,422,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,418 : 45,147,684 = 45,147,684 : x
  2. Step 2: Convert to fraction form
    20,922,418/45,147,684 = 45,147,684/x
  3. Step 3: Cross multiply
    20,922,418x = 45,147,684 × 45,147,684
  4. Step 4: Simplify right side
    20,922,418x = 2,038,313,370,563,856
  5. Step 5: Solve for x
    x = 2,038,313,370,563,856/20,922,418
  6. Step 6: Final answer
    x = 97,422,457.13

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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.