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Finding the Third Proportional to 1,355,221.13 and 1,806,720.19

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Solution

The third proportional to 1,355,221.13 and 1,806,720.19 is: 2,408,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,221.13 : 1,806,720.19 = 1,806,720.19 : x
  2. Step 2: Convert to fraction form
    1,355,221.13/1,806,720.19 = 1,806,720.19/x
  3. Step 3: Cross multiply
    1,355,221.13x = 1,806,720.19 × 1,806,720.19
  4. Step 4: Simplify right side
    1,355,221.13x = 3,264,237,835,920.04
  5. Step 5: Solve for x
    x = 3,264,237,835,920.04/1,355,221.13
  6. Step 6: Final answer
    x = 2,408,638.54

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.