Home / 136,214-288,810

Finding the Third Proportional to 136,214 and 288,810

Calculator

Solution

The third proportional to 136,214 and 288,810 is: 612,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,214 : 288,810 = 288,810 : x
  2. Step 2: Convert to fraction form
    136,214/288,810 = 288,810/x
  3. Step 3: Cross multiply
    136,214x = 288,810 × 288,810
  4. Step 4: Simplify right side
    136,214x = 83,411,216,100
  5. Step 5: Solve for x
    x = 83,411,216,100/136,214
  6. Step 6: Final answer
    x = 612,354.21

Related Problems

Find third proportional to 68,107 and 144,405
Half scale
Find third proportional to 272,428 and 577,620
Double scale
Find third proportional to 136,216 and 288,814
Similar ratio
Find third proportional to 204,321 and 433,215
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.