Home / 191,266-420,276

Finding the Third Proportional to 191,266 and 420,276

Calculator

Solution

The third proportional to 191,266 and 420,276 is: 923,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,266 : 420,276 = 420,276 : x
  2. Step 2: Convert to fraction form
    191,266/420,276 = 420,276/x
  3. Step 3: Cross multiply
    191,266x = 420,276 × 420,276
  4. Step 4: Simplify right side
    191,266x = 176,631,916,176
  5. Step 5: Solve for x
    x = 176,631,916,176/191,266
  6. Step 6: Final answer
    x = 923,488.32

Related Problems

Find third proportional to 95,633 and 210,138
Half scale
Find third proportional to 382,532 and 840,552
Double scale
Find third proportional to 191,268 and 420,280
Similar ratio
Find third proportional to 286,899 and 630,414
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.