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Finding the Third Proportional to 10,239,431 and 21,998,426

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Solution

The third proportional to 10,239,431 and 21,998,426 is: 47,261,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,431 : 21,998,426 = 21,998,426 : x
  2. Step 2: Convert to fraction form
    10,239,431/21,998,426 = 21,998,426/x
  3. Step 3: Cross multiply
    10,239,431x = 21,998,426 × 21,998,426
  4. Step 4: Simplify right side
    10,239,431x = 483,930,746,477,476
  5. Step 5: Solve for x
    x = 483,930,746,477,476/10,239,431
  6. Step 6: Final answer
    x = 47,261,488.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.