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Finding the Third Proportional to 1,778,277.38 and 4,196,469.38

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Solution

The third proportional to 1,778,277.38 and 4,196,469.38 is: 9,903,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,277.38 : 4,196,469.38 = 4,196,469.38 : x
  2. Step 2: Convert to fraction form
    1,778,277.38/4,196,469.38 = 4,196,469.38/x
  3. Step 3: Cross multiply
    1,778,277.38x = 4,196,469.38 × 4,196,469.38
  4. Step 4: Simplify right side
    1,778,277.38x = 17,610,355,215,312.89
  5. Step 5: Solve for x
    x = 17,610,355,215,312.89/1,778,277.38
  6. Step 6: Final answer
    x = 9,903,041.82

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.