Home / 278,945-604,243

Finding the Third Proportional to 278,945 and 604,243

Calculator

Solution

The third proportional to 278,945 and 604,243 is: 1,308,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,945 : 604,243 = 604,243 : x
  2. Step 2: Convert to fraction form
    278,945/604,243 = 604,243/x
  3. Step 3: Cross multiply
    278,945x = 604,243 × 604,243
  4. Step 4: Simplify right side
    278,945x = 365,109,603,049
  5. Step 5: Solve for x
    x = 365,109,603,049/278,945
  6. Step 6: Final answer
    x = 1,308,894.60

Related Problems

Find third proportional to 139,472.50 and 302,121.50
Half scale
Find third proportional to 557,890 and 1,208,486
Double scale
Find third proportional to 278,947 and 604,247
Similar ratio
Find third proportional to 418,417.50 and 906,364.50
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.