Home / 627-1,470

Finding the Third Proportional to 627 and 1,470

Calculator

Solution

The third proportional to 627 and 1,470 is: 3,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    627 : 1,470 = 1,470 : x
  2. Step 2: Convert to fraction form
    627/1,470 = 1,470/x
  3. Step 3: Cross multiply
    627x = 1,470 × 1,470
  4. Step 4: Simplify right side
    627x = 2,160,900
  5. Step 5: Solve for x
    x = 2,160,900/627
  6. Step 6: Final answer
    x = 3,446.41

Related Problems

Find third proportional to 313.50 and 735
Half scale
Find third proportional to 1,254 and 2,940
Double scale
Find third proportional to 629 and 1,475
Similar ratio
Find third proportional to 940.50 and 2,205
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.