Home / 321,286-705,633

Finding the Third Proportional to 321,286 and 705,633

Calculator

Solution

The third proportional to 321,286 and 705,633 is: 1,549,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,286 : 705,633 = 705,633 : x
  2. Step 2: Convert to fraction form
    321,286/705,633 = 705,633/x
  3. Step 3: Cross multiply
    321,286x = 705,633 × 705,633
  4. Step 4: Simplify right side
    321,286x = 497,917,930,689
  5. Step 5: Solve for x
    x = 497,917,930,689/321,286
  6. Step 6: Final answer
    x = 1,549,765.41

Related Problems

Find third proportional to 160,643 and 352,816.50
Half scale
Find third proportional to 642,572 and 1,411,266
Double scale
Find third proportional to 321,288 and 705,637
Similar ratio
Find third proportional to 481,929 and 1,058,449.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.