Home / 317,641-698,260

Finding the Third Proportional to 317,641 and 698,260

Calculator

Solution

The third proportional to 317,641 and 698,260 is: 1,534,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,641 : 698,260 = 698,260 : x
  2. Step 2: Convert to fraction form
    317,641/698,260 = 698,260/x
  3. Step 3: Cross multiply
    317,641x = 698,260 × 698,260
  4. Step 4: Simplify right side
    317,641x = 487,567,027,600
  5. Step 5: Solve for x
    x = 487,567,027,600/317,641
  6. Step 6: Final answer
    x = 1,534,962.51

Related Problems

Find third proportional to 158,820.50 and 349,130
Half scale
Find third proportional to 635,282 and 1,396,520
Double scale
Find third proportional to 317,643 and 698,264
Similar ratio
Find third proportional to 476,461.50 and 1,047,390
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.