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Finding the Third Proportional to 7,810.03 and 11,130.75

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Solution

The third proportional to 7,810.03 and 11,130.75 is: 15,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.03 : 11,130.75 = 11,130.75 : x
  2. Step 2: Convert to fraction form
    7,810.03/11,130.75 = 11,130.75/x
  3. Step 3: Cross multiply
    7,810.03x = 11,130.75 × 11,130.75
  4. Step 4: Simplify right side
    7,810.03x = 123,893,595.56
  5. Step 5: Solve for x
    x = 123,893,595.56/7,810.03
  6. Step 6: Final answer
    x = 15,863.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.