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Finding the Third Proportional to 500,719.50 and 768,577.50

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Solution

The third proportional to 500,719.50 and 768,577.50 is: 1,179,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,719.50 : 768,577.50 = 768,577.50 : x
  2. Step 2: Convert to fraction form
    500,719.50/768,577.50 = 768,577.50/x
  3. Step 3: Cross multiply
    500,719.50x = 768,577.50 × 768,577.50
  4. Step 4: Simplify right side
    500,719.50x = 590,711,373,506.25
  5. Step 5: Solve for x
    x = 590,711,373,506.25/500,719.50
  6. Step 6: Final answer
    x = 1,179,725.12

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.