Home / 314,289-486,549

Finding the Third Proportional to 314,289 and 486,549

Calculator

Solution

The third proportional to 314,289 and 486,549 is: 753,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,289 : 486,549 = 486,549 : x
  2. Step 2: Convert to fraction form
    314,289/486,549 = 486,549/x
  3. Step 3: Cross multiply
    314,289x = 486,549 × 486,549
  4. Step 4: Simplify right side
    314,289x = 236,729,929,401
  5. Step 5: Solve for x
    x = 236,729,929,401/314,289
  6. Step 6: Final answer
    x = 753,223.72

Related Problems

Find third proportional to 157,144.50 and 243,274.50
Half scale
Find third proportional to 628,578 and 973,098
Double scale
Find third proportional to 314,291 and 486,552
Similar ratio
Find third proportional to 471,433.50 and 729,823.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.