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Finding the Third Proportional to 1,347,141.38 and 2,091,657.94

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Solution

The third proportional to 1,347,141.38 and 2,091,657.94 is: 3,247,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,141.38 : 2,091,657.94 = 2,091,657.94 : x
  2. Step 2: Convert to fraction form
    1,347,141.38/2,091,657.94 = 2,091,657.94/x
  3. Step 3: Cross multiply
    1,347,141.38x = 2,091,657.94 × 2,091,657.94
  4. Step 4: Simplify right side
    1,347,141.38x = 4,375,032,927,506.75
  5. Step 5: Solve for x
    x = 4,375,032,927,506.75/1,347,141.38
  6. Step 6: Final answer
    x = 3,247,642.01

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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.