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Finding the Third Proportional to 72,702.56 and 158,937.19

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Solution

The third proportional to 72,702.56 and 158,937.19 is: 347,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,702.56 : 158,937.19 = 158,937.19 : x
  2. Step 2: Convert to fraction form
    72,702.56/158,937.19 = 158,937.19/x
  3. Step 3: Cross multiply
    72,702.56x = 158,937.19 × 158,937.19
  4. Step 4: Simplify right side
    72,702.56x = 25,261,029,570.41
  5. Step 5: Solve for x
    x = 25,261,029,570.41/72,702.56
  6. Step 6: Final answer
    x = 347,457.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.