Home / 138,785-219,546

Finding the Third Proportional to 138,785 and 219,546

Calculator

Solution

The third proportional to 138,785 and 219,546 is: 347,302.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,785 : 219,546 = 219,546 : x
  2. Step 2: Convert to fraction form
    138,785/219,546 = 219,546/x
  3. Step 3: Cross multiply
    138,785x = 219,546 × 219,546
  4. Step 4: Simplify right side
    138,785x = 48,200,446,116
  5. Step 5: Solve for x
    x = 48,200,446,116/138,785
  6. Step 6: Final answer
    x = 347,302.99

Related Problems

Find third proportional to 69,392.50 and 109,773
Half scale
Find third proportional to 277,570 and 439,092
Double scale
Find third proportional to 138,787 and 219,549
Similar ratio
Find third proportional to 208,177.50 and 329,319
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.