Home / 4,209,120-9,090,828

Finding the Third Proportional to 4,209,120 and 9,090,828

Calculator

Solution

The third proportional to 4,209,120 and 9,090,828 is: 19,634,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209,120 : 9,090,828 = 9,090,828 : x
  2. Step 2: Convert to fraction form
    4,209,120/9,090,828 = 9,090,828/x
  3. Step 3: Cross multiply
    4,209,120x = 9,090,828 × 9,090,828
  4. Step 4: Simplify right side
    4,209,120x = 82,643,153,725,584
  5. Step 5: Solve for x
    x = 82,643,153,725,584/4,209,120
  6. Step 6: Final answer
    x = 19,634,306.87

Related Problems

Find third proportional to 2,104,560 and 4,545,414
Half scale
Find third proportional to 8,418,240 and 18,181,656
Double scale
Find third proportional to 4,209,122 and 9,090,832
Similar ratio
Find third proportional to 6,313,680 and 13,636,242
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.