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Finding the Third Proportional to 1,266,779 and 1,963,159

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Solution

The third proportional to 1,266,779 and 1,963,159 is: 3,042,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,779 : 1,963,159 = 1,963,159 : x
  2. Step 2: Convert to fraction form
    1,266,779/1,963,159 = 1,963,159/x
  3. Step 3: Cross multiply
    1,266,779x = 1,963,159 × 1,963,159
  4. Step 4: Simplify right side
    1,266,779x = 3,853,993,259,281
  5. Step 5: Solve for x
    x = 3,853,993,259,281/1,266,779
  6. Step 6: Final answer
    x = 3,042,356.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.