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Finding the Third Proportional to 8,912,020 and 19,026,728

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Solution

The third proportional to 8,912,020 and 19,026,728 is: 40,621,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912,020 : 19,026,728 = 19,026,728 : x
  2. Step 2: Convert to fraction form
    8,912,020/19,026,728 = 19,026,728/x
  3. Step 3: Cross multiply
    8,912,020x = 19,026,728 × 19,026,728
  4. Step 4: Simplify right side
    8,912,020x = 362,016,378,385,984
  5. Step 5: Solve for x
    x = 362,016,378,385,984/8,912,020
  6. Step 6: Final answer
    x = 40,621,136.22

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.