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Finding the Third Proportional to 9,388,388.53 and 19,785,530.81

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Solution

The third proportional to 9,388,388.53 and 19,785,530.81 is: 41,696,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388,388.53 : 19,785,530.81 = 19,785,530.81 : x
  2. Step 2: Convert to fraction form
    9,388,388.53/19,785,530.81 = 19,785,530.81/x
  3. Step 3: Cross multiply
    9,388,388.53x = 19,785,530.81 × 19,785,530.81
  4. Step 4: Simplify right side
    9,388,388.53x = 391,467,229,532,386.94
  5. Step 5: Solve for x
    x = 391,467,229,532,386.94/9,388,388.53
  6. Step 6: Final answer
    x = 41,696,956.64

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.