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Finding the Third Proportional to 1,868,667.75 and 2,808,537.75

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Solution

The third proportional to 1,868,667.75 and 2,808,537.75 is: 4,221,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,667.75 : 2,808,537.75 = 2,808,537.75 : x
  2. Step 2: Convert to fraction form
    1,868,667.75/2,808,537.75 = 2,808,537.75/x
  3. Step 3: Cross multiply
    1,868,667.75x = 2,808,537.75 × 2,808,537.75
  4. Step 4: Simplify right side
    1,868,667.75x = 7,887,884,293,175.06
  5. Step 5: Solve for x
    x = 7,887,884,293,175.06/1,868,667.75
  6. Step 6: Final answer
    x = 4,221,127.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.