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Finding the Third Proportional to 9,431,912 and 19,210,664

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Solution

The third proportional to 9,431,912 and 19,210,664 is: 39,127,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,912 : 19,210,664 = 19,210,664 : x
  2. Step 2: Convert to fraction form
    9,431,912/19,210,664 = 19,210,664/x
  3. Step 3: Cross multiply
    9,431,912x = 19,210,664 × 19,210,664
  4. Step 4: Simplify right side
    9,431,912x = 369,049,611,320,896
  5. Step 5: Solve for x
    x = 369,049,611,320,896/9,431,912
  6. Step 6: Final answer
    x = 39,127,762.36

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.