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Finding the Third Proportional to 28,544 and 40,574

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Solution

The third proportional to 28,544 and 40,574 is: 57,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544 : 40,574 = 40,574 : x
  2. Step 2: Convert to fraction form
    28,544/40,574 = 40,574/x
  3. Step 3: Cross multiply
    28,544x = 40,574 × 40,574
  4. Step 4: Simplify right side
    28,544x = 1,646,249,476
  5. Step 5: Solve for x
    x = 1,646,249,476/28,544
  6. Step 6: Final answer
    x = 57,674.10

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.