Home / 135,282,165.47-209,135,707.45

Finding the Third Proportional to 135,282,165.47 and 209,135,707.45

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Solution

The third proportional to 135,282,165.47 and 209,135,707.45 is: 323,307,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,282,165.47 : 209,135,707.45 = 209,135,707.45 : x
  2. Step 2: Convert to fraction form
    135,282,165.47/209,135,707.45 = 209,135,707.45/x
  3. Step 3: Cross multiply
    135,282,165.47x = 209,135,707.45 × 209,135,707.45
  4. Step 4: Simplify right side
    135,282,165.47x = 43,737,744,131,916,992
  5. Step 5: Solve for x
    x = 43,737,744,131,916,992/135,282,165.47
  6. Step 6: Final answer
    x = 323,307,540.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.