Home / 977,280-2,121,672

Finding the Third Proportional to 977,280 and 2,121,672

Calculator

Solution

The third proportional to 977,280 and 2,121,672 is: 4,606,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,280 : 2,121,672 = 2,121,672 : x
  2. Step 2: Convert to fraction form
    977,280/2,121,672 = 2,121,672/x
  3. Step 3: Cross multiply
    977,280x = 2,121,672 × 2,121,672
  4. Step 4: Simplify right side
    977,280x = 4,501,492,075,584
  5. Step 5: Solve for x
    x = 4,501,492,075,584/977,280
  6. Step 6: Final answer
    x = 4,606,143.66

Related Problems

Find third proportional to 488,640 and 1,060,836
Half scale
Find third proportional to 1,954,560 and 4,243,344
Double scale
Find third proportional to 977,282 and 2,121,676
Similar ratio
Find third proportional to 1,465,920 and 3,182,508
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.