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Finding the Third Proportional to 70,206.75 and 148,047.75

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Solution

The third proportional to 70,206.75 and 148,047.75 is: 312,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,206.75 : 148,047.75 = 148,047.75 : x
  2. Step 2: Convert to fraction form
    70,206.75/148,047.75 = 148,047.75/x
  3. Step 3: Cross multiply
    70,206.75x = 148,047.75 × 148,047.75
  4. Step 4: Simplify right side
    70,206.75x = 21,918,136,280.06
  5. Step 5: Solve for x
    x = 21,918,136,280.06/70,206.75
  6. Step 6: Final answer
    x = 312,194.14

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.