Home / 400,088-868,864

Finding the Third Proportional to 400,088 and 868,864

Calculator

Solution

The third proportional to 400,088 and 868,864 is: 1,886,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,088 : 868,864 = 868,864 : x
  2. Step 2: Convert to fraction form
    400,088/868,864 = 868,864/x
  3. Step 3: Cross multiply
    400,088x = 868,864 × 868,864
  4. Step 4: Simplify right side
    400,088x = 754,924,650,496
  5. Step 5: Solve for x
    x = 754,924,650,496/400,088
  6. Step 6: Final answer
    x = 1,886,896.51

Related Problems

Find third proportional to 200,044 and 434,432
Half scale
Find third proportional to 800,176 and 1,737,728
Double scale
Find third proportional to 400,090 and 868,868
Similar ratio
Find third proportional to 600,132 and 1,303,296
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.