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Finding the Third Proportional to 9,430 and 20,673.50

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Solution

The third proportional to 9,430 and 20,673.50 is: 45,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430 : 20,673.50 = 20,673.50 : x
  2. Step 2: Convert to fraction form
    9,430/20,673.50 = 20,673.50/x
  3. Step 3: Cross multiply
    9,430x = 20,673.50 × 20,673.50
  4. Step 4: Simplify right side
    9,430x = 427,393,602.25
  5. Step 5: Solve for x
    x = 427,393,602.25/9,430
  6. Step 6: Final answer
    x = 45,322.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.