Home / 316,849-430,453

Finding the Third Proportional to 316,849 and 430,453

Calculator

Solution

The third proportional to 316,849 and 430,453 is: 584,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,849 : 430,453 = 430,453 : x
  2. Step 2: Convert to fraction form
    316,849/430,453 = 430,453/x
  3. Step 3: Cross multiply
    316,849x = 430,453 × 430,453
  4. Step 4: Simplify right side
    316,849x = 185,289,785,209
  5. Step 5: Solve for x
    x = 185,289,785,209/316,849
  6. Step 6: Final answer
    x = 584,788.92

Related Problems

Find third proportional to 158,424.50 and 215,226.50
Half scale
Find third proportional to 633,698 and 860,906
Double scale
Find third proportional to 316,851 and 430,456
Similar ratio
Find third proportional to 475,273.50 and 645,679.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.