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Finding the Third Proportional to 1,223,439 and 2,634,366

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Solution

The third proportional to 1,223,439 and 2,634,366 is: 5,672,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,439 : 2,634,366 = 2,634,366 : x
  2. Step 2: Convert to fraction form
    1,223,439/2,634,366 = 2,634,366/x
  3. Step 3: Cross multiply
    1,223,439x = 2,634,366 × 2,634,366
  4. Step 4: Simplify right side
    1,223,439x = 6,939,884,221,956
  5. Step 5: Solve for x
    x = 6,939,884,221,956/1,223,439
  6. Step 6: Final answer
    x = 5,672,439.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.