Home / 39,678-63,798

Finding the Third Proportional to 39,678 and 63,798

Calculator

Solution

The third proportional to 39,678 and 63,798 is: 102,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678 : 63,798 = 63,798 : x
  2. Step 2: Convert to fraction form
    39,678/63,798 = 63,798/x
  3. Step 3: Cross multiply
    39,678x = 63,798 × 63,798
  4. Step 4: Simplify right side
    39,678x = 4,070,184,804
  5. Step 5: Solve for x
    x = 4,070,184,804/39,678
  6. Step 6: Final answer
    x = 102,580.39

Related Problems

Find third proportional to 19,839 and 31,899
Half scale
Find third proportional to 79,356 and 127,596
Double scale
Find third proportional to 39,680 and 63,801
Similar ratio
Find third proportional to 59,517 and 95,697
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.