Home / 432,869-665,720

Finding the Third Proportional to 432,869 and 665,720

Calculator

Solution

The third proportional to 432,869 and 665,720 is: 1,023,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,869 : 665,720 = 665,720 : x
  2. Step 2: Convert to fraction form
    432,869/665,720 = 665,720/x
  3. Step 3: Cross multiply
    432,869x = 665,720 × 665,720
  4. Step 4: Simplify right side
    432,869x = 443,183,118,400
  5. Step 5: Solve for x
    x = 443,183,118,400/432,869
  6. Step 6: Final answer
    x = 1,023,827.34

Related Problems

Find third proportional to 216,434.50 and 332,860
Half scale
Find third proportional to 865,738 and 1,331,440
Double scale
Find third proportional to 432,871 and 665,723
Similar ratio
Find third proportional to 649,303.50 and 998,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.