Home / 242,495-528,419

Finding the Third Proportional to 242,495 and 528,419

Calculator

Solution

The third proportional to 242,495 and 528,419 is: 1,151,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,495 : 528,419 = 528,419 : x
  2. Step 2: Convert to fraction form
    242,495/528,419 = 528,419/x
  3. Step 3: Cross multiply
    242,495x = 528,419 × 528,419
  4. Step 4: Simplify right side
    242,495x = 279,226,639,561
  5. Step 5: Solve for x
    x = 279,226,639,561/242,495
  6. Step 6: Final answer
    x = 1,151,473.80

Related Problems

Find third proportional to 121,247.50 and 264,209.50
Half scale
Find third proportional to 484,990 and 1,056,838
Double scale
Find third proportional to 242,497 and 528,423
Similar ratio
Find third proportional to 363,742.50 and 792,628.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.