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Finding the Third Proportional to 99,120 and 212,064

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Solution

The third proportional to 99,120 and 212,064 is: 453,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,120 : 212,064 = 212,064 : x
  2. Step 2: Convert to fraction form
    99,120/212,064 = 212,064/x
  3. Step 3: Cross multiply
    99,120x = 212,064 × 212,064
  4. Step 4: Simplify right side
    99,120x = 44,971,140,096
  5. Step 5: Solve for x
    x = 44,971,140,096/99,120
  6. Step 6: Final answer
    x = 453,704.00

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.