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Finding the Third Proportional to 9,212,089.13 and 19,718,236.13

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Solution

The third proportional to 9,212,089.13 and 19,718,236.13 is: 42,206,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212,089.13 : 19,718,236.13 = 19,718,236.13 : x
  2. Step 2: Convert to fraction form
    9,212,089.13/19,718,236.13 = 19,718,236.13/x
  3. Step 3: Cross multiply
    9,212,089.13x = 19,718,236.13 × 19,718,236.13
  4. Step 4: Simplify right side
    9,212,089.13x = 388,808,835,881,255
  5. Step 5: Solve for x
    x = 388,808,835,881,255/9,212,089.13
  6. Step 6: Final answer
    x = 42,206,369.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.