Home / 485,618-761,787

Finding the Third Proportional to 485,618 and 761,787

Calculator

Solution

The third proportional to 485,618 and 761,787 is: 1,195,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,618 : 761,787 = 761,787 : x
  2. Step 2: Convert to fraction form
    485,618/761,787 = 761,787/x
  3. Step 3: Cross multiply
    485,618x = 761,787 × 761,787
  4. Step 4: Simplify right side
    485,618x = 580,319,433,369
  5. Step 5: Solve for x
    x = 580,319,433,369/485,618
  6. Step 6: Final answer
    x = 1,195,012.20

Related Problems

Find third proportional to 242,809 and 380,893.50
Half scale
Find third proportional to 971,236 and 1,523,574
Double scale
Find third proportional to 485,620 and 761,790
Similar ratio
Find third proportional to 728,427 and 1,142,680.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.