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Finding the Third Proportional to 1,421,340.75 and 3,108,404.25

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Solution

The third proportional to 1,421,340.75 and 3,108,404.25 is: 6,797,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,340.75 : 3,108,404.25 = 3,108,404.25 : x
  2. Step 2: Convert to fraction form
    1,421,340.75/3,108,404.25 = 3,108,404.25/x
  3. Step 3: Cross multiply
    1,421,340.75x = 3,108,404.25 × 3,108,404.25
  4. Step 4: Simplify right side
    1,421,340.75x = 9,662,176,981,418.06
  5. Step 5: Solve for x
    x = 9,662,176,981,418.06/1,421,340.75
  6. Step 6: Final answer
    x = 6,797,931.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.