Home / 395,947-637,500

Finding the Third Proportional to 395,947 and 637,500

Calculator

Solution

The third proportional to 395,947 and 637,500 is: 1,026,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,947 : 637,500 = 637,500 : x
  2. Step 2: Convert to fraction form
    395,947/637,500 = 637,500/x
  3. Step 3: Cross multiply
    395,947x = 637,500 × 637,500
  4. Step 4: Simplify right side
    395,947x = 406,406,250,000
  5. Step 5: Solve for x
    x = 406,406,250,000/395,947
  6. Step 6: Final answer
    x = 1,026,415.78

Related Problems

Find third proportional to 197,973.50 and 318,750
Half scale
Find third proportional to 791,894 and 1,275,000
Double scale
Find third proportional to 395,949 and 637,503
Similar ratio
Find third proportional to 593,920.50 and 956,250
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.