Home / 486,120-760,842

Finding the Third Proportional to 486,120 and 760,842

Calculator

Solution

The third proportional to 486,120 and 760,842 is: 1,190,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,120 : 760,842 = 760,842 : x
  2. Step 2: Convert to fraction form
    486,120/760,842 = 760,842/x
  3. Step 3: Cross multiply
    486,120x = 760,842 × 760,842
  4. Step 4: Simplify right side
    486,120x = 578,880,548,964
  5. Step 5: Solve for x
    x = 578,880,548,964/486,120
  6. Step 6: Final answer
    x = 1,190,818.21

Related Problems

Find third proportional to 243,060 and 380,421
Half scale
Find third proportional to 972,240 and 1,521,684
Double scale
Find third proportional to 486,122 and 760,845
Similar ratio
Find third proportional to 729,180 and 1,141,263
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.