Home / 242,396-520,774

Finding the Third Proportional to 242,396 and 520,774

Calculator

Solution

The third proportional to 242,396 and 520,774 is: 1,118,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,396 : 520,774 = 520,774 : x
  2. Step 2: Convert to fraction form
    242,396/520,774 = 520,774/x
  3. Step 3: Cross multiply
    242,396x = 520,774 × 520,774
  4. Step 4: Simplify right side
    242,396x = 271,205,559,076
  5. Step 5: Solve for x
    x = 271,205,559,076/242,396
  6. Step 6: Final answer
    x = 1,118,853.28

Related Problems

Find third proportional to 121,198 and 260,387
Half scale
Find third proportional to 484,792 and 1,041,548
Double scale
Find third proportional to 242,398 and 520,778
Similar ratio
Find third proportional to 363,594 and 781,161
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.