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Finding the Third Proportional to 3,315,172.50 and 5,119,206

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Solution

The third proportional to 3,315,172.50 and 5,119,206 is: 7,904,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,172.50 : 5,119,206 = 5,119,206 : x
  2. Step 2: Convert to fraction form
    3,315,172.50/5,119,206 = 5,119,206/x
  3. Step 3: Cross multiply
    3,315,172.50x = 5,119,206 × 5,119,206
  4. Step 4: Simplify right side
    3,315,172.50x = 26,206,270,070,436
  5. Step 5: Solve for x
    x = 26,206,270,070,436/3,315,172.50
  6. Step 6: Final answer
    x = 7,904,949.16

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.