Home / 977,274-2,121,660

Finding the Third Proportional to 977,274 and 2,121,660

Calculator

Solution

The third proportional to 977,274 and 2,121,660 is: 4,606,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,274 : 2,121,660 = 2,121,660 : x
  2. Step 2: Convert to fraction form
    977,274/2,121,660 = 2,121,660/x
  3. Step 3: Cross multiply
    977,274x = 2,121,660 × 2,121,660
  4. Step 4: Simplify right side
    977,274x = 4,501,441,155,600
  5. Step 5: Solve for x
    x = 4,501,441,155,600/977,274
  6. Step 6: Final answer
    x = 4,606,119.83

Related Problems

Find third proportional to 488,637 and 1,060,830
Half scale
Find third proportional to 1,954,548 and 4,243,320
Double scale
Find third proportional to 977,276 and 2,121,664
Similar ratio
Find third proportional to 1,465,911 and 3,182,490
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.