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Finding the Third Proportional to 356,892.75 and 553,452.75

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Solution

The third proportional to 356,892.75 and 553,452.75 is: 858,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,892.75 : 553,452.75 = 553,452.75 : x
  2. Step 2: Convert to fraction form
    356,892.75/553,452.75 = 553,452.75/x
  3. Step 3: Cross multiply
    356,892.75x = 553,452.75 × 553,452.75
  4. Step 4: Simplify right side
    356,892.75x = 306,309,946,482.56
  5. Step 5: Solve for x
    x = 306,309,946,482.56/356,892.75
  6. Step 6: Final answer
    x = 858,268.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.