Home / 390,103-835,502

Finding the Third Proportional to 390,103 and 835,502

Calculator

Solution

The third proportional to 390,103 and 835,502 is: 1,789,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,103 : 835,502 = 835,502 : x
  2. Step 2: Convert to fraction form
    390,103/835,502 = 835,502/x
  3. Step 3: Cross multiply
    390,103x = 835,502 × 835,502
  4. Step 4: Simplify right side
    390,103x = 698,063,592,004
  5. Step 5: Solve for x
    x = 698,063,592,004/390,103
  6. Step 6: Final answer
    x = 1,789,434.05

Related Problems

Find third proportional to 195,051.50 and 417,751
Half scale
Find third proportional to 780,206 and 1,671,004
Double scale
Find third proportional to 390,105 and 835,506
Similar ratio
Find third proportional to 585,154.50 and 1,253,253
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.