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Finding the Third Proportional to 134,990.50 and 295,405.50

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Solution

The third proportional to 134,990.50 and 295,405.50 is: 646,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,990.50 : 295,405.50 = 295,405.50 : x
  2. Step 2: Convert to fraction form
    134,990.50/295,405.50 = 295,405.50/x
  3. Step 3: Cross multiply
    134,990.50x = 295,405.50 × 295,405.50
  4. Step 4: Simplify right side
    134,990.50x = 87,264,409,430.25
  5. Step 5: Solve for x
    x = 87,264,409,430.25/134,990.50
  6. Step 6: Final answer
    x = 646,448.52

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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.