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Finding the Third Proportional to 1,114.88 and 1,513.13

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Solution

The third proportional to 1,114.88 and 1,513.13 is: 2,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.88 : 1,513.13 = 1,513.13 : x
  2. Step 2: Convert to fraction form
    1,114.88/1,513.13 = 1,513.13/x
  3. Step 3: Cross multiply
    1,114.88x = 1,513.13 × 1,513.13
  4. Step 4: Simplify right side
    1,114.88x = 2,289,547.27
  5. Step 5: Solve for x
    x = 2,289,547.27/1,114.88
  6. Step 6: Final answer
    x = 2,053.64

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.