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Finding the Third Proportional to 6,945.75 and 9,946.13

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Solution

The third proportional to 6,945.75 and 9,946.13 is: 14,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.75 : 9,946.13 = 9,946.13 : x
  2. Step 2: Convert to fraction form
    6,945.75/9,946.13 = 9,946.13/x
  3. Step 3: Cross multiply
    6,945.75x = 9,946.13 × 9,946.13
  4. Step 4: Simplify right side
    6,945.75x = 98,925,402.52
  5. Step 5: Solve for x
    x = 98,925,402.52/6,945.75
  6. Step 6: Final answer
    x = 14,242.58

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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.