Home / 312,254-676,618

Finding the Third Proportional to 312,254 and 676,618

Calculator

Solution

The third proportional to 312,254 and 676,618 is: 1,466,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,254 : 676,618 = 676,618 : x
  2. Step 2: Convert to fraction form
    312,254/676,618 = 676,618/x
  3. Step 3: Cross multiply
    312,254x = 676,618 × 676,618
  4. Step 4: Simplify right side
    312,254x = 457,811,917,924
  5. Step 5: Solve for x
    x = 457,811,917,924/312,254
  6. Step 6: Final answer
    x = 1,466,152.29

Related Problems

Find third proportional to 156,127 and 338,309
Half scale
Find third proportional to 624,508 and 1,353,236
Double scale
Find third proportional to 312,256 and 676,622
Similar ratio
Find third proportional to 468,381 and 1,014,927
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.