Home / 426,579-644,404.13

Finding the Third Proportional to 426,579 and 644,404.13

Calculator

Solution

The third proportional to 426,579 and 644,404.13 is: 973,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,579 : 644,404.13 = 644,404.13 : x
  2. Step 2: Convert to fraction form
    426,579/644,404.13 = 644,404.13/x
  3. Step 3: Cross multiply
    426,579x = 644,404.13 × 644,404.13
  4. Step 4: Simplify right side
    426,579x = 415,256,676,317.02
  5. Step 5: Solve for x
    x = 415,256,676,317.02/426,579
  6. Step 6: Final answer
    x = 973,457.85

Related Problems

Find third proportional to 213,289.50 and 322,202.06
Half scale
Find third proportional to 853,158 and 1,288,808.25
Double scale
Find third proportional to 426,581 and 644,407
Similar ratio
Find third proportional to 639,868.50 and 966,606.19
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.