Home / 189,576-288,460

Finding the Third Proportional to 189,576 and 288,460

Calculator

Solution

The third proportional to 189,576 and 288,460 is: 438,922.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,576 : 288,460 = 288,460 : x
  2. Step 2: Convert to fraction form
    189,576/288,460 = 288,460/x
  3. Step 3: Cross multiply
    189,576x = 288,460 × 288,460
  4. Step 4: Simplify right side
    189,576x = 83,209,171,600
  5. Step 5: Solve for x
    x = 83,209,171,600/189,576
  6. Step 6: Final answer
    x = 438,922.50

Related Problems

Find third proportional to 94,788 and 144,230
Half scale
Find third proportional to 379,152 and 576,920
Double scale
Find third proportional to 189,578 and 288,463
Similar ratio
Find third proportional to 284,364 and 432,690
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.