Home / 988,460-2,158,169

Finding the Third Proportional to 988,460 and 2,158,169

Calculator

Solution

The third proportional to 988,460 and 2,158,169 is: 4,712,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,460 : 2,158,169 = 2,158,169 : x
  2. Step 2: Convert to fraction form
    988,460/2,158,169 = 2,158,169/x
  3. Step 3: Cross multiply
    988,460x = 2,158,169 × 2,158,169
  4. Step 4: Simplify right side
    988,460x = 4,657,693,432,561
  5. Step 5: Solve for x
    x = 4,657,693,432,561/988,460
  6. Step 6: Final answer
    x = 4,712,070.73

Related Problems

Find third proportional to 494,230 and 1,079,084.50
Half scale
Find third proportional to 1,976,920 and 4,316,338
Double scale
Find third proportional to 988,462 and 2,158,173
Similar ratio
Find third proportional to 1,482,690 and 3,237,253.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.