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Finding the Third Proportional to 5,457 and 6,307.50

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Solution

The third proportional to 5,457 and 6,307.50 is: 7,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457 : 6,307.50 = 6,307.50 : x
  2. Step 2: Convert to fraction form
    5,457/6,307.50 = 6,307.50/x
  3. Step 3: Cross multiply
    5,457x = 6,307.50 × 6,307.50
  4. Step 4: Simplify right side
    5,457x = 39,784,556.25
  5. Step 5: Solve for x
    x = 39,784,556.25/5,457
  6. Step 6: Final answer
    x = 7,290.55

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.