Home / 402,832-853,520

Finding the Third Proportional to 402,832 and 853,520

Calculator

Solution

The third proportional to 402,832 and 853,520 is: 1,808,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,832 : 853,520 = 853,520 : x
  2. Step 2: Convert to fraction form
    402,832/853,520 = 853,520/x
  3. Step 3: Cross multiply
    402,832x = 853,520 × 853,520
  4. Step 4: Simplify right side
    402,832x = 728,496,390,400
  5. Step 5: Solve for x
    x = 728,496,390,400/402,832
  6. Step 6: Final answer
    x = 1,808,437.24

Related Problems

Find third proportional to 201,416 and 426,760
Half scale
Find third proportional to 805,664 and 1,707,040
Double scale
Find third proportional to 402,834 and 853,524
Similar ratio
Find third proportional to 604,248 and 1,280,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.