Home / 302,420-660,184

Finding the Third Proportional to 302,420 and 660,184

Calculator

Solution

The third proportional to 302,420 and 660,184 is: 1,441,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,420 : 660,184 = 660,184 : x
  2. Step 2: Convert to fraction form
    302,420/660,184 = 660,184/x
  3. Step 3: Cross multiply
    302,420x = 660,184 × 660,184
  4. Step 4: Simplify right side
    302,420x = 435,842,913,856
  5. Step 5: Solve for x
    x = 435,842,913,856/302,420
  6. Step 6: Final answer
    x = 1,441,184.16

Related Problems

Find third proportional to 151,210 and 330,092
Half scale
Find third proportional to 604,840 and 1,320,368
Double scale
Find third proportional to 302,422 and 660,188
Similar ratio
Find third proportional to 453,630 and 990,276
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.