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Finding the Third Proportional to 8,130,996 and 11,890,557

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Solution

The third proportional to 8,130,996 and 11,890,557 is: 17,388,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,996 : 11,890,557 = 11,890,557 : x
  2. Step 2: Convert to fraction form
    8,130,996/11,890,557 = 11,890,557/x
  3. Step 3: Cross multiply
    8,130,996x = 11,890,557 × 11,890,557
  4. Step 4: Simplify right side
    8,130,996x = 141,385,345,770,249
  5. Step 5: Solve for x
    x = 141,385,345,770,249/8,130,996
  6. Step 6: Final answer
    x = 17,388,441.19

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.