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Finding the Third Proportional to 3,075.47 and 6,809.70

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Solution

The third proportional to 3,075.47 and 6,809.70 is: 15,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.47 : 6,809.70 = 6,809.70 : x
  2. Step 2: Convert to fraction form
    3,075.47/6,809.70 = 6,809.70/x
  3. Step 3: Cross multiply
    3,075.47x = 6,809.70 × 6,809.70
  4. Step 4: Simplify right side
    3,075.47x = 46,371,950.25
  5. Step 5: Solve for x
    x = 46,371,950.25/3,075.47
  6. Step 6: Final answer
    x = 15,078.01

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.