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Finding the Third Proportional to 306,475 and 475,750.50

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Solution

The third proportional to 306,475 and 475,750.50 is: 738,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,475 : 475,750.50 = 475,750.50 : x
  2. Step 2: Convert to fraction form
    306,475/475,750.50 = 475,750.50/x
  3. Step 3: Cross multiply
    306,475x = 475,750.50 × 475,750.50
  4. Step 4: Simplify right side
    306,475x = 226,338,538,250.25
  5. Step 5: Solve for x
    x = 226,338,538,250.25/306,475
  6. Step 6: Final answer
    x = 738,522.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.