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Finding the Third Proportional to 1,575 and 2,316.94

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Solution

The third proportional to 1,575 and 2,316.94 is: 3,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575 : 2,316.94 = 2,316.94 : x
  2. Step 2: Convert to fraction form
    1,575/2,316.94 = 2,316.94/x
  3. Step 3: Cross multiply
    1,575x = 2,316.94 × 2,316.94
  4. Step 4: Simplify right side
    1,575x = 5,368,199.38
  5. Step 5: Solve for x
    x = 5,368,199.38/1,575
  6. Step 6: Final answer
    x = 3,408.38

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.