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Finding the Third Proportional to 10,998,590 and 16,639,411

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Solution

The third proportional to 10,998,590 and 16,639,411 is: 25,173,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998,590 : 16,639,411 = 16,639,411 : x
  2. Step 2: Convert to fraction form
    10,998,590/16,639,411 = 16,639,411/x
  3. Step 3: Cross multiply
    10,998,590x = 16,639,411 × 16,639,411
  4. Step 4: Simplify right side
    10,998,590x = 276,869,998,426,921
  5. Step 5: Solve for x
    x = 276,869,998,426,921/10,998,590
  6. Step 6: Final answer
    x = 25,173,226.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.