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Finding the Third Proportional to 1,961,073.72 and 4,237,258.04

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Solution

The third proportional to 1,961,073.72 and 4,237,258.04 is: 9,155,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,073.72 : 4,237,258.04 = 4,237,258.04 : x
  2. Step 2: Convert to fraction form
    1,961,073.72/4,237,258.04 = 4,237,258.04/x
  3. Step 3: Cross multiply
    1,961,073.72x = 4,237,258.04 × 4,237,258.04
  4. Step 4: Simplify right side
    1,961,073.72x = 17,954,355,685,462.52
  5. Step 5: Solve for x
    x = 17,954,355,685,462.52/1,961,073.72
  6. Step 6: Final answer
    x = 9,155,370.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.