Home / 402,510-838,088

Finding the Third Proportional to 402,510 and 838,088

Calculator

Solution

The third proportional to 402,510 and 838,088 is: 1,745,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,510 : 838,088 = 838,088 : x
  2. Step 2: Convert to fraction form
    402,510/838,088 = 838,088/x
  3. Step 3: Cross multiply
    402,510x = 838,088 × 838,088
  4. Step 4: Simplify right side
    402,510x = 702,391,495,744
  5. Step 5: Solve for x
    x = 702,391,495,744/402,510
  6. Step 6: Final answer
    x = 1,745,028.68

Related Problems

Find third proportional to 201,255 and 419,044
Half scale
Find third proportional to 805,020 and 1,676,176
Double scale
Find third proportional to 402,512 and 838,092
Similar ratio
Find third proportional to 603,765 and 1,257,132
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.