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Finding the Third Proportional to 520,090 and 1,135,888

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Solution

The third proportional to 520,090 and 1,135,888 is: 2,480,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,090 : 1,135,888 = 1,135,888 : x
  2. Step 2: Convert to fraction form
    520,090/1,135,888 = 1,135,888/x
  3. Step 3: Cross multiply
    520,090x = 1,135,888 × 1,135,888
  4. Step 4: Simplify right side
    520,090x = 1,290,241,548,544
  5. Step 5: Solve for x
    x = 1,290,241,548,544/520,090
  6. Step 6: Final answer
    x = 2,480,804.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.