Home / 189,732-402,828

Finding the Third Proportional to 189,732 and 402,828

Calculator

Solution

The third proportional to 189,732 and 402,828 is: 855,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,732 : 402,828 = 402,828 : x
  2. Step 2: Convert to fraction form
    189,732/402,828 = 402,828/x
  3. Step 3: Cross multiply
    189,732x = 402,828 × 402,828
  4. Step 4: Simplify right side
    189,732x = 162,270,397,584
  5. Step 5: Solve for x
    x = 162,270,397,584/189,732
  6. Step 6: Final answer
    x = 855,261.09

Related Problems

Find third proportional to 94,866 and 201,414
Half scale
Find third proportional to 379,464 and 805,656
Double scale
Find third proportional to 189,734 and 402,832
Similar ratio
Find third proportional to 284,598 and 604,242
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.