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Finding the Third Proportional to 576,311.50 and 859,795.50

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Solution

The third proportional to 576,311.50 and 859,795.50 is: 1,282,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,311.50 : 859,795.50 = 859,795.50 : x
  2. Step 2: Convert to fraction form
    576,311.50/859,795.50 = 859,795.50/x
  3. Step 3: Cross multiply
    576,311.50x = 859,795.50 × 859,795.50
  4. Step 4: Simplify right side
    576,311.50x = 739,248,301,820.25
  5. Step 5: Solve for x
    x = 739,248,301,820.25/576,311.50
  6. Step 6: Final answer
    x = 1,282,723.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.