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Finding the Third Proportional to 28,442 and 66,445

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Solution

The third proportional to 28,442 and 66,445 is: 155,226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442 : 66,445 = 66,445 : x
  2. Step 2: Convert to fraction form
    28,442/66,445 = 66,445/x
  3. Step 3: Cross multiply
    28,442x = 66,445 × 66,445
  4. Step 4: Simplify right side
    28,442x = 4,414,938,025
  5. Step 5: Solve for x
    x = 4,414,938,025/28,442
  6. Step 6: Final answer
    x = 155,226.00

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.