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Finding the Third Proportional to 19,515 and 46,051.50

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Solution

The third proportional to 19,515 and 46,051.50 is: 108,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515 : 46,051.50 = 46,051.50 : x
  2. Step 2: Convert to fraction form
    19,515/46,051.50 = 46,051.50/x
  3. Step 3: Cross multiply
    19,515x = 46,051.50 × 46,051.50
  4. Step 4: Simplify right side
    19,515x = 2,120,740,652.25
  5. Step 5: Solve for x
    x = 2,120,740,652.25/19,515
  6. Step 6: Final answer
    x = 108,672.34

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.