Home / 478,934-697,340

Finding the Third Proportional to 478,934 and 697,340

Calculator

Solution

The third proportional to 478,934 and 697,340 is: 1,015,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,934 : 697,340 = 697,340 : x
  2. Step 2: Convert to fraction form
    478,934/697,340 = 697,340/x
  3. Step 3: Cross multiply
    478,934x = 697,340 × 697,340
  4. Step 4: Simplify right side
    478,934x = 486,283,075,600
  5. Step 5: Solve for x
    x = 486,283,075,600/478,934
  6. Step 6: Final answer
    x = 1,015,344.65

Related Problems

Find third proportional to 239,467 and 348,670
Half scale
Find third proportional to 957,868 and 1,394,680
Double scale
Find third proportional to 478,936 and 697,343
Similar ratio
Find third proportional to 718,401 and 1,046,010
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.