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Finding the Third Proportional to 507 and 862.50

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Solution

The third proportional to 507 and 862.50 is: 1,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    507 : 862.50 = 862.50 : x
  2. Step 2: Convert to fraction form
    507/862.50 = 862.50/x
  3. Step 3: Cross multiply
    507x = 862.50 × 862.50
  4. Step 4: Simplify right side
    507x = 743,906.25
  5. Step 5: Solve for x
    x = 743,906.25/507
  6. Step 6: Final answer
    x = 1,467.27

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These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.