Home / 288,216-460,430

Finding the Third Proportional to 288,216 and 460,430

Calculator

Solution

The third proportional to 288,216 and 460,430 is: 735,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,216 : 460,430 = 460,430 : x
  2. Step 2: Convert to fraction form
    288,216/460,430 = 460,430/x
  3. Step 3: Cross multiply
    288,216x = 460,430 × 460,430
  4. Step 4: Simplify right side
    288,216x = 211,995,784,900
  5. Step 5: Solve for x
    x = 211,995,784,900/288,216
  6. Step 6: Final answer
    x = 735,544.82

Related Problems

Find third proportional to 144,108 and 230,215
Half scale
Find third proportional to 576,432 and 920,860
Double scale
Find third proportional to 288,218 and 460,433
Similar ratio
Find third proportional to 432,324 and 690,645
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.