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Finding the Third Proportional to 551.02 and 1,178.93

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Solution

The third proportional to 551.02 and 1,178.93 is: 2,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.02 : 1,178.93 = 1,178.93 : x
  2. Step 2: Convert to fraction form
    551.02/1,178.93 = 1,178.93/x
  3. Step 3: Cross multiply
    551.02x = 1,178.93 × 1,178.93
  4. Step 4: Simplify right side
    551.02x = 1,389,875.21
  5. Step 5: Solve for x
    x = 1,389,875.21/551.02
  6. Step 6: Final answer
    x = 2,522.36

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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.