Home / 305,454.38-671,128.88

Finding the Third Proportional to 305,454.38 and 671,128.88

Calculator

Solution

The third proportional to 305,454.38 and 671,128.88 is: 1,474,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,454.38 : 671,128.88 = 671,128.88 : x
  2. Step 2: Convert to fraction form
    305,454.38/671,128.88 = 671,128.88/x
  3. Step 3: Cross multiply
    305,454.38x = 671,128.88 × 671,128.88
  4. Step 4: Simplify right side
    305,454.38x = 450,413,966,858.77
  5. Step 5: Solve for x
    x = 450,413,966,858.77/305,454.38
  6. Step 6: Final answer
    x = 1,474,570.36

Related Problems

Find third proportional to 152,727.19 and 335,564.44
Half scale
Find third proportional to 610,908.75 and 1,342,257.75
Double scale
Find third proportional to 305,456 and 671,133
Similar ratio
Find third proportional to 458,181.56 and 1,006,693.31
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.