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Finding the Third Proportional to 8,418,726 and 18,151,526

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Solution

The third proportional to 8,418,726 and 18,151,526 is: 39,136,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,726 : 18,151,526 = 18,151,526 : x
  2. Step 2: Convert to fraction form
    8,418,726/18,151,526 = 18,151,526/x
  3. Step 3: Cross multiply
    8,418,726x = 18,151,526 × 18,151,526
  4. Step 4: Simplify right side
    8,418,726x = 329,477,896,128,676
  5. Step 5: Solve for x
    x = 329,477,896,128,676/8,418,726
  6. Step 6: Final answer
    x = 39,136,313.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.