Home / 77,277-169,317

Finding the Third Proportional to 77,277 and 169,317

Calculator

Solution

The third proportional to 77,277 and 169,317 is: 370,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,277 : 169,317 = 169,317 : x
  2. Step 2: Convert to fraction form
    77,277/169,317 = 169,317/x
  3. Step 3: Cross multiply
    77,277x = 169,317 × 169,317
  4. Step 4: Simplify right side
    77,277x = 28,668,246,489
  5. Step 5: Solve for x
    x = 28,668,246,489/77,277
  6. Step 6: Final answer
    x = 370,980.32

Related Problems

Find third proportional to 38,638.50 and 84,658.50
Half scale
Find third proportional to 154,554 and 338,634
Double scale
Find third proportional to 77,279 and 169,321
Similar ratio
Find third proportional to 115,915.50 and 253,975.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.