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Finding the Third Proportional to 172,045 and 370,455.50

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Solution

The third proportional to 172,045 and 370,455.50 is: 797,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,045 : 370,455.50 = 370,455.50 : x
  2. Step 2: Convert to fraction form
    172,045/370,455.50 = 370,455.50/x
  3. Step 3: Cross multiply
    172,045x = 370,455.50 × 370,455.50
  4. Step 4: Simplify right side
    172,045x = 137,237,277,480.25
  5. Step 5: Solve for x
    x = 137,237,277,480.25/172,045
  6. Step 6: Final answer
    x = 797,682.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.