Home / 340,553-510,830

Finding the Third Proportional to 340,553 and 510,830

Calculator

Solution

The third proportional to 340,553 and 510,830 is: 766,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,553 : 510,830 = 510,830 : x
  2. Step 2: Convert to fraction form
    340,553/510,830 = 510,830/x
  3. Step 3: Cross multiply
    340,553x = 510,830 × 510,830
  4. Step 4: Simplify right side
    340,553x = 260,947,288,900
  5. Step 5: Solve for x
    x = 260,947,288,900/340,553
  6. Step 6: Final answer
    x = 766,245.75

Related Problems

Find third proportional to 170,276.50 and 255,415
Half scale
Find third proportional to 681,106 and 1,021,660
Double scale
Find third proportional to 340,555 and 510,833
Similar ratio
Find third proportional to 510,829.50 and 766,245
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.