Home / 279,030-604,420

Finding the Third Proportional to 279,030 and 604,420

Calculator

Solution

The third proportional to 279,030 and 604,420 is: 1,309,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,030 : 604,420 = 604,420 : x
  2. Step 2: Convert to fraction form
    279,030/604,420 = 604,420/x
  3. Step 3: Cross multiply
    279,030x = 604,420 × 604,420
  4. Step 4: Simplify right side
    279,030x = 365,323,536,400
  5. Step 5: Solve for x
    x = 365,323,536,400/279,030
  6. Step 6: Final answer
    x = 1,309,262.58

Related Problems

Find third proportional to 139,515 and 302,210
Half scale
Find third proportional to 558,060 and 1,208,840
Double scale
Find third proportional to 279,032 and 604,424
Similar ratio
Find third proportional to 418,545 and 906,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.