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Finding the Third Proportional to 1,055.81 and 1,575

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Solution

The third proportional to 1,055.81 and 1,575 is: 2,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.81 : 1,575 = 1,575 : x
  2. Step 2: Convert to fraction form
    1,055.81/1,575 = 1,575/x
  3. Step 3: Cross multiply
    1,055.81x = 1,575 × 1,575
  4. Step 4: Simplify right side
    1,055.81x = 2,480,625
  5. Step 5: Solve for x
    x = 2,480,625/1,055.81
  6. Step 6: Final answer
    x = 2,349.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.