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Finding the Third Proportional to 91,247.63 and 122,056.88

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Solution

The third proportional to 91,247.63 and 122,056.88 is: 163,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,247.63 : 122,056.88 = 122,056.88 : x
  2. Step 2: Convert to fraction form
    91,247.63/122,056.88 = 122,056.88/x
  3. Step 3: Cross multiply
    91,247.63x = 122,056.88 × 122,056.88
  4. Step 4: Simplify right side
    91,247.63x = 14,897,880,734.77
  5. Step 5: Solve for x
    x = 14,897,880,734.77/91,247.63
  6. Step 6: Final answer
    x = 163,268.70

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.