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Finding the Third Proportional to 7,106,954 and 10,128,855

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Solution

The third proportional to 7,106,954 and 10,128,855 is: 14,435,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,954 : 10,128,855 = 10,128,855 : x
  2. Step 2: Convert to fraction form
    7,106,954/10,128,855 = 10,128,855/x
  3. Step 3: Cross multiply
    7,106,954x = 10,128,855 × 10,128,855
  4. Step 4: Simplify right side
    7,106,954x = 102,593,703,611,025
  5. Step 5: Solve for x
    x = 102,593,703,611,025/7,106,954
  6. Step 6: Final answer
    x = 14,435,678.58

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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.