Home / 198,009-262,563

Finding the Third Proportional to 198,009 and 262,563

Calculator

Solution

The third proportional to 198,009 and 262,563 is: 348,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,009 : 262,563 = 262,563 : x
  2. Step 2: Convert to fraction form
    198,009/262,563 = 262,563/x
  3. Step 3: Cross multiply
    198,009x = 262,563 × 262,563
  4. Step 4: Simplify right side
    198,009x = 68,939,328,969
  5. Step 5: Solve for x
    x = 68,939,328,969/198,009
  6. Step 6: Final answer
    x = 348,162.60

Related Problems

Find third proportional to 99,004.50 and 131,281.50
Half scale
Find third proportional to 396,018 and 525,126
Double scale
Find third proportional to 198,011 and 262,566
Similar ratio
Find third proportional to 297,013.50 and 393,844.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.