Home / 215,246-424,972

Finding the Third Proportional to 215,246 and 424,972

Calculator

Solution

The third proportional to 215,246 and 424,972 is: 839,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,246 : 424,972 = 424,972 : x
  2. Step 2: Convert to fraction form
    215,246/424,972 = 424,972/x
  3. Step 3: Cross multiply
    215,246x = 424,972 × 424,972
  4. Step 4: Simplify right side
    215,246x = 180,601,200,784
  5. Step 5: Solve for x
    x = 180,601,200,784/215,246
  6. Step 6: Final answer
    x = 839,045.56

Related Problems

Find third proportional to 107,623 and 212,486
Half scale
Find third proportional to 430,492 and 849,944
Double scale
Find third proportional to 215,248 and 424,976
Similar ratio
Find third proportional to 322,869 and 637,458
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.