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Finding the Third Proportional to 61,519.50 and 133,699.50

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Solution

The third proportional to 61,519.50 and 133,699.50 is: 290,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,519.50 : 133,699.50 = 133,699.50 : x
  2. Step 2: Convert to fraction form
    61,519.50/133,699.50 = 133,699.50/x
  3. Step 3: Cross multiply
    61,519.50x = 133,699.50 × 133,699.50
  4. Step 4: Simplify right side
    61,519.50x = 17,875,556,300.25
  5. Step 5: Solve for x
    x = 17,875,556,300.25/61,519.50
  6. Step 6: Final answer
    x = 290,567.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.