Home / 134,768-210,780

Finding the Third Proportional to 134,768 and 210,780

Calculator

Solution

The third proportional to 134,768 and 210,780 is: 329,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,768 : 210,780 = 210,780 : x
  2. Step 2: Convert to fraction form
    134,768/210,780 = 210,780/x
  3. Step 3: Cross multiply
    134,768x = 210,780 × 210,780
  4. Step 4: Simplify right side
    134,768x = 44,428,208,400
  5. Step 5: Solve for x
    x = 44,428,208,400/134,768
  6. Step 6: Final answer
    x = 329,664.37

Related Problems

Find third proportional to 67,384 and 105,390
Half scale
Find third proportional to 269,536 and 421,560
Double scale
Find third proportional to 134,770 and 210,783
Similar ratio
Find third proportional to 202,152 and 316,170
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.