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Finding the Third Proportional to 8,880,522 and 19,421,868

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Solution

The third proportional to 8,880,522 and 19,421,868 is: 42,475,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880,522 : 19,421,868 = 19,421,868 : x
  2. Step 2: Convert to fraction form
    8,880,522/19,421,868 = 19,421,868/x
  3. Step 3: Cross multiply
    8,880,522x = 19,421,868 × 19,421,868
  4. Step 4: Simplify right side
    8,880,522x = 377,208,956,609,424
  5. Step 5: Solve for x
    x = 377,208,956,609,424/8,880,522
  6. Step 6: Final answer
    x = 42,475,989.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.