Home / 196,230-423,828

Finding the Third Proportional to 196,230 and 423,828

Calculator

Solution

The third proportional to 196,230 and 423,828 is: 915,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,230 : 423,828 = 423,828 : x
  2. Step 2: Convert to fraction form
    196,230/423,828 = 423,828/x
  3. Step 3: Cross multiply
    196,230x = 423,828 × 423,828
  4. Step 4: Simplify right side
    196,230x = 179,630,173,584
  5. Step 5: Solve for x
    x = 179,630,173,584/196,230
  6. Step 6: Final answer
    x = 915,406.28

Related Problems

Find third proportional to 98,115 and 211,914
Half scale
Find third proportional to 392,460 and 847,656
Double scale
Find third proportional to 196,232 and 423,832
Similar ratio
Find third proportional to 294,345 and 635,742
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.