Home / 450,798-697,659

Finding the Third Proportional to 450,798 and 697,659

Calculator

Solution

The third proportional to 450,798 and 697,659 is: 1,079,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,798 : 697,659 = 697,659 : x
  2. Step 2: Convert to fraction form
    450,798/697,659 = 697,659/x
  3. Step 3: Cross multiply
    450,798x = 697,659 × 697,659
  4. Step 4: Simplify right side
    450,798x = 486,728,080,281
  5. Step 5: Solve for x
    x = 486,728,080,281/450,798
  6. Step 6: Final answer
    x = 1,079,703.28

Related Problems

Find third proportional to 225,399 and 348,829.50
Half scale
Find third proportional to 901,596 and 1,395,318
Double scale
Find third proportional to 450,800 and 697,662
Similar ratio
Find third proportional to 676,197 and 1,046,488.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.