Home / 406,420-603,744

Finding the Third Proportional to 406,420 and 603,744

Calculator

Solution

The third proportional to 406,420 and 603,744 is: 896,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,420 : 603,744 = 603,744 : x
  2. Step 2: Convert to fraction form
    406,420/603,744 = 603,744/x
  3. Step 3: Cross multiply
    406,420x = 603,744 × 603,744
  4. Step 4: Simplify right side
    406,420x = 364,506,817,536
  5. Step 5: Solve for x
    x = 364,506,817,536/406,420
  6. Step 6: Final answer
    x = 896,872.24

Related Problems

Find third proportional to 203,210 and 301,872
Half scale
Find third proportional to 812,840 and 1,207,488
Double scale
Find third proportional to 406,422 and 603,747
Similar ratio
Find third proportional to 609,630 and 905,616
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.