Home / 144,292-316,258

Finding the Third Proportional to 144,292 and 316,258

Calculator

Solution

The third proportional to 144,292 and 316,258 is: 693,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292 : 316,258 = 316,258 : x
  2. Step 2: Convert to fraction form
    144,292/316,258 = 316,258/x
  3. Step 3: Cross multiply
    144,292x = 316,258 × 316,258
  4. Step 4: Simplify right side
    144,292x = 100,019,122,564
  5. Step 5: Solve for x
    x = 100,019,122,564/144,292
  6. Step 6: Final answer
    x = 693,171.64

Related Problems

Find third proportional to 72,146 and 158,129
Half scale
Find third proportional to 288,584 and 632,516
Double scale
Find third proportional to 144,294 and 316,262
Similar ratio
Find third proportional to 216,438 and 474,387
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.