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Finding the Third Proportional to 208,045.50 and 308,180.25

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Solution

The third proportional to 208,045.50 and 308,180.25 is: 456,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,045.50 : 308,180.25 = 308,180.25 : x
  2. Step 2: Convert to fraction form
    208,045.50/308,180.25 = 308,180.25/x
  3. Step 3: Cross multiply
    208,045.50x = 308,180.25 × 308,180.25
  4. Step 4: Simplify right side
    208,045.50x = 94,975,066,490.06
  5. Step 5: Solve for x
    x = 94,975,066,490.06/208,045.50
  6. Step 6: Final answer
    x = 456,511.03

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.