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Finding the Third Proportional to 342,811.50 and 738,303

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Solution

The third proportional to 342,811.50 and 738,303 is: 1,590,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,811.50 : 738,303 = 738,303 : x
  2. Step 2: Convert to fraction form
    342,811.50/738,303 = 738,303/x
  3. Step 3: Cross multiply
    342,811.50x = 738,303 × 738,303
  4. Step 4: Simplify right side
    342,811.50x = 545,091,319,809
  5. Step 5: Solve for x
    x = 545,091,319,809/342,811.50
  6. Step 6: Final answer
    x = 1,590,061.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.