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Finding the Third Proportional to 368,580 and 555,466.50

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Solution

The third proportional to 368,580 and 555,466.50 is: 837,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,580 : 555,466.50 = 555,466.50 : x
  2. Step 2: Convert to fraction form
    368,580/555,466.50 = 555,466.50/x
  3. Step 3: Cross multiply
    368,580x = 555,466.50 × 555,466.50
  4. Step 4: Simplify right side
    368,580x = 308,543,032,622.25
  5. Step 5: Solve for x
    x = 308,543,032,622.25/368,580
  6. Step 6: Final answer
    x = 837,112.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.