Home / 78,984-170,748

Finding the Third Proportional to 78,984 and 170,748

Calculator

Solution

The third proportional to 78,984 and 170,748 is: 369,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,984 : 170,748 = 170,748 : x
  2. Step 2: Convert to fraction form
    78,984/170,748 = 170,748/x
  3. Step 3: Cross multiply
    78,984x = 170,748 × 170,748
  4. Step 4: Simplify right side
    78,984x = 29,154,879,504
  5. Step 5: Solve for x
    x = 29,154,879,504/78,984
  6. Step 6: Final answer
    x = 369,123.87

Related Problems

Find third proportional to 39,492 and 85,374
Half scale
Find third proportional to 157,968 and 341,496
Double scale
Find third proportional to 78,986 and 170,752
Similar ratio
Find third proportional to 118,476 and 256,122
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.