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Finding the Third Proportional to 349,999.50 and 542,983.50

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Solution

The third proportional to 349,999.50 and 542,983.50 is: 842,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,999.50 : 542,983.50 = 542,983.50 : x
  2. Step 2: Convert to fraction form
    349,999.50/542,983.50 = 542,983.50/x
  3. Step 3: Cross multiply
    349,999.50x = 542,983.50 × 542,983.50
  4. Step 4: Simplify right side
    349,999.50x = 294,831,081,272.25
  5. Step 5: Solve for x
    x = 294,831,081,272.25/349,999.50
  6. Step 6: Final answer
    x = 842,375.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.