Home / 417,862-637,180

Finding the Third Proportional to 417,862 and 637,180

Calculator

Solution

The third proportional to 417,862 and 637,180 is: 971,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,862 : 637,180 = 637,180 : x
  2. Step 2: Convert to fraction form
    417,862/637,180 = 637,180/x
  3. Step 3: Cross multiply
    417,862x = 637,180 × 637,180
  4. Step 4: Simplify right side
    417,862x = 405,998,352,400
  5. Step 5: Solve for x
    x = 405,998,352,400/417,862
  6. Step 6: Final answer
    x = 971,608.69

Related Problems

Find third proportional to 208,931 and 318,590
Half scale
Find third proportional to 835,724 and 1,274,360
Double scale
Find third proportional to 417,864 and 637,183
Similar ratio
Find third proportional to 626,793 and 955,770
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.