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Finding the Third Proportional to 9,587.81 and 20,918.81

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Solution

The third proportional to 9,587.81 and 20,918.81 is: 45,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587.81 : 20,918.81 = 20,918.81 : x
  2. Step 2: Convert to fraction form
    9,587.81/20,918.81 = 20,918.81/x
  3. Step 3: Cross multiply
    9,587.81x = 20,918.81 × 20,918.81
  4. Step 4: Simplify right side
    9,587.81x = 437,596,716.41
  5. Step 5: Solve for x
    x = 437,596,716.41/9,587.81
  6. Step 6: Final answer
    x = 45,640.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.