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Finding the Third Proportional to 9,418,812 and 20,343,354

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Solution

The third proportional to 9,418,812 and 20,343,354 is: 43,938,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418,812 : 20,343,354 = 20,343,354 : x
  2. Step 2: Convert to fraction form
    9,418,812/20,343,354 = 20,343,354/x
  3. Step 3: Cross multiply
    9,418,812x = 20,343,354 × 20,343,354
  4. Step 4: Simplify right side
    9,418,812x = 413,852,051,969,316
  5. Step 5: Solve for x
    x = 413,852,051,969,316/9,418,812
  6. Step 6: Final answer
    x = 43,938,880.19

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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.