Home / 579,668-891,102

Finding the Third Proportional to 579,668 and 891,102

Calculator

Solution

The third proportional to 579,668 and 891,102 is: 1,369,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,668 : 891,102 = 891,102 : x
  2. Step 2: Convert to fraction form
    579,668/891,102 = 891,102/x
  3. Step 3: Cross multiply
    579,668x = 891,102 × 891,102
  4. Step 4: Simplify right side
    579,668x = 794,062,774,404
  5. Step 5: Solve for x
    x = 794,062,774,404/579,668
  6. Step 6: Final answer
    x = 1,369,857.87

Related Problems

Find third proportional to 289,834 and 445,551
Half scale
Find third proportional to 1,159,336 and 1,782,204
Double scale
Find third proportional to 579,670 and 891,105
Similar ratio
Find third proportional to 869,502 and 1,336,653
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.