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Finding the Third Proportional to 3,006,661.78 and 6,556,018.50

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Solution

The third proportional to 3,006,661.78 and 6,556,018.50 is: 14,295,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006,661.78 : 6,556,018.50 = 6,556,018.50 : x
  2. Step 2: Convert to fraction form
    3,006,661.78/6,556,018.50 = 6,556,018.50/x
  3. Step 3: Cross multiply
    3,006,661.78x = 6,556,018.50 × 6,556,018.50
  4. Step 4: Simplify right side
    3,006,661.78x = 42,981,378,572,342.25
  5. Step 5: Solve for x
    x = 42,981,378,572,342.25/3,006,661.78
  6. Step 6: Final answer
    x = 14,295,381.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.