Home / 429,343-630,880

Finding the Third Proportional to 429,343 and 630,880

Calculator

Solution

The third proportional to 429,343 and 630,880 is: 927,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,343 : 630,880 = 630,880 : x
  2. Step 2: Convert to fraction form
    429,343/630,880 = 630,880/x
  3. Step 3: Cross multiply
    429,343x = 630,880 × 630,880
  4. Step 4: Simplify right side
    429,343x = 398,009,574,400
  5. Step 5: Solve for x
    x = 398,009,574,400/429,343
  6. Step 6: Final answer
    x = 927,020.06

Related Problems

Find third proportional to 214,671.50 and 315,440
Half scale
Find third proportional to 858,686 and 1,261,760
Double scale
Find third proportional to 429,345 and 630,883
Similar ratio
Find third proportional to 644,014.50 and 946,320
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.