Home / 172,854-415,935

Finding the Third Proportional to 172,854 and 415,935

Calculator

Solution

The third proportional to 172,854 and 415,935 is: 1,000,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854 : 415,935 = 415,935 : x
  2. Step 2: Convert to fraction form
    172,854/415,935 = 415,935/x
  3. Step 3: Cross multiply
    172,854x = 415,935 × 415,935
  4. Step 4: Simplify right side
    172,854x = 173,001,924,225
  5. Step 5: Solve for x
    x = 173,001,924,225/172,854
  6. Step 6: Final answer
    x = 1,000,855.78

Related Problems

Find third proportional to 86,427 and 207,967.50
Half scale
Find third proportional to 345,708 and 831,870
Double scale
Find third proportional to 172,856 and 415,940
Similar ratio
Find third proportional to 259,281 and 623,902.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.