Home / 351,340-781,285

Finding the Third Proportional to 351,340 and 781,285

Calculator

Solution

The third proportional to 351,340 and 781,285 is: 1,737,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,340 : 781,285 = 781,285 : x
  2. Step 2: Convert to fraction form
    351,340/781,285 = 781,285/x
  3. Step 3: Cross multiply
    351,340x = 781,285 × 781,285
  4. Step 4: Simplify right side
    351,340x = 610,406,251,225
  5. Step 5: Solve for x
    x = 610,406,251,225/351,340
  6. Step 6: Final answer
    x = 1,737,366.23

Related Problems

Find third proportional to 175,670 and 390,642.50
Half scale
Find third proportional to 702,680 and 1,562,570
Double scale
Find third proportional to 351,342 and 781,289
Similar ratio
Find third proportional to 527,010 and 1,171,927.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.