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Finding the Third Proportional to 328,975.50 and 492,133.50

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Solution

The third proportional to 328,975.50 and 492,133.50 is: 736,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,975.50 : 492,133.50 = 492,133.50 : x
  2. Step 2: Convert to fraction form
    328,975.50/492,133.50 = 492,133.50/x
  3. Step 3: Cross multiply
    328,975.50x = 492,133.50 × 492,133.50
  4. Step 4: Simplify right side
    328,975.50x = 242,195,381,822.25
  5. Step 5: Solve for x
    x = 242,195,381,822.25/328,975.50
  6. Step 6: Final answer
    x = 736,211.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.