Home / 302,076-408,807

Finding the Third Proportional to 302,076 and 408,807

Calculator

Solution

The third proportional to 302,076 and 408,807 is: 553,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,076 : 408,807 = 408,807 : x
  2. Step 2: Convert to fraction form
    302,076/408,807 = 408,807/x
  3. Step 3: Cross multiply
    302,076x = 408,807 × 408,807
  4. Step 4: Simplify right side
    302,076x = 167,123,163,249
  5. Step 5: Solve for x
    x = 167,123,163,249/302,076
  6. Step 6: Final answer
    x = 553,248.73

Related Problems

Find third proportional to 151,038 and 204,403.50
Half scale
Find third proportional to 604,152 and 817,614
Double scale
Find third proportional to 302,078 and 408,810
Similar ratio
Find third proportional to 453,114 and 613,210.50
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.