Home / 289,524-645,468

Finding the Third Proportional to 289,524 and 645,468

Calculator

Solution

The third proportional to 289,524 and 645,468 is: 1,439,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,524 : 645,468 = 645,468 : x
  2. Step 2: Convert to fraction form
    289,524/645,468 = 645,468/x
  3. Step 3: Cross multiply
    289,524x = 645,468 × 645,468
  4. Step 4: Simplify right side
    289,524x = 416,628,939,024
  5. Step 5: Solve for x
    x = 416,628,939,024/289,524
  6. Step 6: Final answer
    x = 1,439,013.48

Related Problems

Find third proportional to 144,762 and 322,734
Half scale
Find third proportional to 579,048 and 1,290,936
Double scale
Find third proportional to 289,526 and 645,472
Similar ratio
Find third proportional to 434,286 and 968,202
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.