Home / 399,522-858,335

Finding the Third Proportional to 399,522 and 858,335

Calculator

Solution

The third proportional to 399,522 and 858,335 is: 1,844,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,522 : 858,335 = 858,335 : x
  2. Step 2: Convert to fraction form
    399,522/858,335 = 858,335/x
  3. Step 3: Cross multiply
    399,522x = 858,335 × 858,335
  4. Step 4: Simplify right side
    399,522x = 736,738,972,225
  5. Step 5: Solve for x
    x = 736,738,972,225/399,522
  6. Step 6: Final answer
    x = 1,844,051.07

Related Problems

Find third proportional to 199,761 and 429,167.50
Half scale
Find third proportional to 799,044 and 1,716,670
Double scale
Find third proportional to 399,524 and 858,339
Similar ratio
Find third proportional to 599,283 and 1,287,502.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.