Home / 302,216-408,946

Finding the Third Proportional to 302,216 and 408,946

Calculator

Solution

The third proportional to 302,216 and 408,946 is: 553,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,216 : 408,946 = 408,946 : x
  2. Step 2: Convert to fraction form
    302,216/408,946 = 408,946/x
  3. Step 3: Cross multiply
    302,216x = 408,946 × 408,946
  4. Step 4: Simplify right side
    302,216x = 167,236,830,916
  5. Step 5: Solve for x
    x = 167,236,830,916/302,216
  6. Step 6: Final answer
    x = 553,368.55

Related Problems

Find third proportional to 151,108 and 204,473
Half scale
Find third proportional to 604,432 and 817,892
Double scale
Find third proportional to 302,218 and 408,949
Similar ratio
Find third proportional to 453,324 and 613,419
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.