Home / 121,488-262,944

Finding the Third Proportional to 121,488 and 262,944

Calculator

Solution

The third proportional to 121,488 and 262,944 is: 569,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,488 : 262,944 = 262,944 : x
  2. Step 2: Convert to fraction form
    121,488/262,944 = 262,944/x
  3. Step 3: Cross multiply
    121,488x = 262,944 × 262,944
  4. Step 4: Simplify right side
    121,488x = 69,139,547,136
  5. Step 5: Solve for x
    x = 69,139,547,136/121,488
  6. Step 6: Final answer
    x = 569,105.98

Related Problems

Find third proportional to 60,744 and 131,472
Half scale
Find third proportional to 242,976 and 525,888
Double scale
Find third proportional to 121,490 and 262,948
Similar ratio
Find third proportional to 182,232 and 394,416
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.