Home / 666,420-949,770

Finding the Third Proportional to 666,420 and 949,770

Calculator

Solution

The third proportional to 666,420 and 949,770 is: 1,353,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,420 : 949,770 = 949,770 : x
  2. Step 2: Convert to fraction form
    666,420/949,770 = 949,770/x
  3. Step 3: Cross multiply
    666,420x = 949,770 × 949,770
  4. Step 4: Simplify right side
    666,420x = 902,063,052,900
  5. Step 5: Solve for x
    x = 902,063,052,900/666,420
  6. Step 6: Final answer
    x = 1,353,595.41

Related Problems

Find third proportional to 333,210 and 474,885
Half scale
Find third proportional to 1,332,840 and 1,899,540
Double scale
Find third proportional to 666,422 and 949,773
Similar ratio
Find third proportional to 999,630 and 1,424,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.