Home / 397,048-865,482

Finding the Third Proportional to 397,048 and 865,482

Calculator

Solution

The third proportional to 397,048 and 865,482 is: 1,886,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,048 : 865,482 = 865,482 : x
  2. Step 2: Convert to fraction form
    397,048/865,482 = 865,482/x
  3. Step 3: Cross multiply
    397,048x = 865,482 × 865,482
  4. Step 4: Simplify right side
    397,048x = 749,059,092,324
  5. Step 5: Solve for x
    x = 749,059,092,324/397,048
  6. Step 6: Final answer
    x = 1,886,570.62

Related Problems

Find third proportional to 198,524 and 432,741
Half scale
Find third proportional to 794,096 and 1,730,964
Double scale
Find third proportional to 397,050 and 865,486
Similar ratio
Find third proportional to 595,572 and 1,298,223
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.