Home / 427,988-662,348

Finding the Third Proportional to 427,988 and 662,348

Calculator

Solution

The third proportional to 427,988 and 662,348 is: 1,025,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,988 : 662,348 = 662,348 : x
  2. Step 2: Convert to fraction form
    427,988/662,348 = 662,348/x
  3. Step 3: Cross multiply
    427,988x = 662,348 × 662,348
  4. Step 4: Simplify right side
    427,988x = 438,704,873,104
  5. Step 5: Solve for x
    x = 438,704,873,104/427,988
  6. Step 6: Final answer
    x = 1,025,040.13

Related Problems

Find third proportional to 213,994 and 331,174
Half scale
Find third proportional to 855,976 and 1,324,696
Double scale
Find third proportional to 427,990 and 662,351
Similar ratio
Find third proportional to 641,982 and 993,522
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.