Home / 66,470-144,604

Finding the Third Proportional to 66,470 and 144,604

Calculator

Solution

The third proportional to 66,470 and 144,604 is: 314,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470 : 144,604 = 144,604 : x
  2. Step 2: Convert to fraction form
    66,470/144,604 = 144,604/x
  3. Step 3: Cross multiply
    66,470x = 144,604 × 144,604
  4. Step 4: Simplify right side
    66,470x = 20,910,316,816
  5. Step 5: Solve for x
    x = 20,910,316,816/66,470
  6. Step 6: Final answer
    x = 314,582.77

Related Problems

Find third proportional to 33,235 and 72,302
Half scale
Find third proportional to 132,940 and 289,208
Double scale
Find third proportional to 66,472 and 144,608
Similar ratio
Find third proportional to 99,705 and 216,906
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.