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Finding the Third Proportional to 7,986,844 and 11,421,280

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Solution

The third proportional to 7,986,844 and 11,421,280 is: 16,332,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,844 : 11,421,280 = 11,421,280 : x
  2. Step 2: Convert to fraction form
    7,986,844/11,421,280 = 11,421,280/x
  3. Step 3: Cross multiply
    7,986,844x = 11,421,280 × 11,421,280
  4. Step 4: Simplify right side
    7,986,844x = 130,445,636,838,400
  5. Step 5: Solve for x
    x = 130,445,636,838,400/7,986,844
  6. Step 6: Final answer
    x = 16,332,563.51

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.