Home / 355,802-781,586

Finding the Third Proportional to 355,802 and 781,586

Calculator

Solution

The third proportional to 355,802 and 781,586 is: 1,716,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,802 : 781,586 = 781,586 : x
  2. Step 2: Convert to fraction form
    355,802/781,586 = 781,586/x
  3. Step 3: Cross multiply
    355,802x = 781,586 × 781,586
  4. Step 4: Simplify right side
    355,802x = 610,876,675,396
  5. Step 5: Solve for x
    x = 610,876,675,396/355,802
  6. Step 6: Final answer
    x = 1,716,900.62

Related Problems

Find third proportional to 177,901 and 390,793
Half scale
Find third proportional to 711,604 and 1,563,172
Double scale
Find third proportional to 355,804 and 781,590
Similar ratio
Find third proportional to 533,703 and 1,172,379
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.