Home / 163,506-253,275

Finding the Third Proportional to 163,506 and 253,275

Calculator

Solution

The third proportional to 163,506 and 253,275 is: 392,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,506 : 253,275 = 253,275 : x
  2. Step 2: Convert to fraction form
    163,506/253,275 = 253,275/x
  3. Step 3: Cross multiply
    163,506x = 253,275 × 253,275
  4. Step 4: Simplify right side
    163,506x = 64,148,225,625
  5. Step 5: Solve for x
    x = 64,148,225,625/163,506
  6. Step 6: Final answer
    x = 392,329.49

Related Problems

Find third proportional to 81,753 and 126,637.50
Half scale
Find third proportional to 327,012 and 506,550
Double scale
Find third proportional to 163,508 and 253,278
Similar ratio
Find third proportional to 245,259 and 379,912.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.