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Finding the Third Proportional to 154,484.44 and 220,490.72

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Solution

The third proportional to 154,484.44 and 220,490.72 is: 314,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,484.44 : 220,490.72 = 220,490.72 : x
  2. Step 2: Convert to fraction form
    154,484.44/220,490.72 = 220,490.72/x
  3. Step 3: Cross multiply
    154,484.44x = 220,490.72 × 220,490.72
  4. Step 4: Simplify right side
    154,484.44x = 48,616,157,054.89
  5. Step 5: Solve for x
    x = 48,616,157,054.89/154,484.44
  6. Step 6: Final answer
    x = 314,699.38

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.