Home / 429,136-630,565

Finding the Third Proportional to 429,136 and 630,565

Calculator

Solution

The third proportional to 429,136 and 630,565 is: 926,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,136 : 630,565 = 630,565 : x
  2. Step 2: Convert to fraction form
    429,136/630,565 = 630,565/x
  3. Step 3: Cross multiply
    429,136x = 630,565 × 630,565
  4. Step 4: Simplify right side
    429,136x = 397,612,219,225
  5. Step 5: Solve for x
    x = 397,612,219,225/429,136
  6. Step 6: Final answer
    x = 926,541.28

Related Problems

Find third proportional to 214,568 and 315,282.50
Half scale
Find third proportional to 858,272 and 1,261,130
Double scale
Find third proportional to 429,138 and 630,568
Similar ratio
Find third proportional to 643,704 and 945,847.50
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.