Home / 119,415-261,807

Finding the Third Proportional to 119,415 and 261,807

Calculator

Solution

The third proportional to 119,415 and 261,807 is: 573,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,415 : 261,807 = 261,807 : x
  2. Step 2: Convert to fraction form
    119,415/261,807 = 261,807/x
  3. Step 3: Cross multiply
    119,415x = 261,807 × 261,807
  4. Step 4: Simplify right side
    119,415x = 68,542,905,249
  5. Step 5: Solve for x
    x = 68,542,905,249/119,415
  6. Step 6: Final answer
    x = 573,989.07

Related Problems

Find third proportional to 59,707.50 and 130,903.50
Half scale
Find third proportional to 238,830 and 523,614
Double scale
Find third proportional to 119,417 and 261,811
Similar ratio
Find third proportional to 179,122.50 and 392,710.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.