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Finding the Third Proportional to 515.53 and 1,070.93

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Solution

The third proportional to 515.53 and 1,070.93 is: 2,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    515.53 : 1,070.93 = 1,070.93 : x
  2. Step 2: Convert to fraction form
    515.53/1,070.93 = 1,070.93/x
  3. Step 3: Cross multiply
    515.53x = 1,070.93 × 1,070.93
  4. Step 4: Simplify right side
    515.53x = 1,146,890.40
  5. Step 5: Solve for x
    x = 1,146,890.40/515.53
  6. Step 6: Final answer
    x = 2,224.68

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.