Home / 870,475.50-1,331,478

Finding the Third Proportional to 870,475.50 and 1,331,478

Calculator

Solution

The third proportional to 870,475.50 and 1,331,478 is: 2,036,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,475.50 : 1,331,478 = 1,331,478 : x
  2. Step 2: Convert to fraction form
    870,475.50/1,331,478 = 1,331,478/x
  3. Step 3: Cross multiply
    870,475.50x = 1,331,478 × 1,331,478
  4. Step 4: Simplify right side
    870,475.50x = 1,772,833,664,484
  5. Step 5: Solve for x
    x = 1,772,833,664,484/870,475.50
  6. Step 6: Final answer
    x = 2,036,626.72

Related Problems

Find third proportional to 435,237.75 and 665,739
Half scale
Find third proportional to 1,740,951 and 2,662,956
Double scale
Find third proportional to 870,478 and 1,331,481
Similar ratio
Find third proportional to 1,305,713.25 and 1,997,217
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.