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Finding the Third Proportional to 385,572.50 and 576,090.75

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Solution

The third proportional to 385,572.50 and 576,090.75 is: 860,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,572.50 : 576,090.75 = 576,090.75 : x
  2. Step 2: Convert to fraction form
    385,572.50/576,090.75 = 576,090.75/x
  3. Step 3: Cross multiply
    385,572.50x = 576,090.75 × 576,090.75
  4. Step 4: Simplify right side
    385,572.50x = 331,880,552,235.56
  5. Step 5: Solve for x
    x = 331,880,552,235.56/385,572.50
  6. Step 6: Final answer
    x = 860,747.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.