Home / 267,635-390,774

Finding the Third Proportional to 267,635 and 390,774

Calculator

Solution

The third proportional to 267,635 and 390,774 is: 570,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,635 : 390,774 = 390,774 : x
  2. Step 2: Convert to fraction form
    267,635/390,774 = 390,774/x
  3. Step 3: Cross multiply
    267,635x = 390,774 × 390,774
  4. Step 4: Simplify right side
    267,635x = 152,704,319,076
  5. Step 5: Solve for x
    x = 152,704,319,076/267,635
  6. Step 6: Final answer
    x = 570,569.32

Related Problems

Find third proportional to 133,817.50 and 195,387
Half scale
Find third proportional to 535,270 and 781,548
Double scale
Find third proportional to 267,637 and 390,777
Similar ratio
Find third proportional to 401,452.50 and 586,161
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.