Home / 78,588-169,636

Finding the Third Proportional to 78,588 and 169,636

Calculator

Solution

The third proportional to 78,588 and 169,636 is: 366,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,588 : 169,636 = 169,636 : x
  2. Step 2: Convert to fraction form
    78,588/169,636 = 169,636/x
  3. Step 3: Cross multiply
    78,588x = 169,636 × 169,636
  4. Step 4: Simplify right side
    78,588x = 28,776,372,496
  5. Step 5: Solve for x
    x = 28,776,372,496/78,588
  6. Step 6: Final answer
    x = 366,167.51

Related Problems

Find third proportional to 39,294 and 84,818
Half scale
Find third proportional to 157,176 and 339,272
Double scale
Find third proportional to 78,590 and 169,640
Similar ratio
Find third proportional to 117,882 and 254,454
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.