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Finding the Third Proportional to 315,178 and 471,652

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Solution

The third proportional to 315,178 and 471,652 is: 705,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,178 : 471,652 = 471,652 : x
  2. Step 2: Convert to fraction form
    315,178/471,652 = 471,652/x
  3. Step 3: Cross multiply
    315,178x = 471,652 × 471,652
  4. Step 4: Simplify right side
    315,178x = 222,455,609,104
  5. Step 5: Solve for x
    x = 222,455,609,104/315,178
  6. Step 6: Final answer
    x = 705,809.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.