Home / 276,359-573,490

Finding the Third Proportional to 276,359 and 573,490

Calculator

Solution

The third proportional to 276,359 and 573,490 is: 1,190,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,359 : 573,490 = 573,490 : x
  2. Step 2: Convert to fraction form
    276,359/573,490 = 573,490/x
  3. Step 3: Cross multiply
    276,359x = 573,490 × 573,490
  4. Step 4: Simplify right side
    276,359x = 328,890,780,100
  5. Step 5: Solve for x
    x = 328,890,780,100/276,359
  6. Step 6: Final answer
    x = 1,190,085.29

Related Problems

Find third proportional to 138,179.50 and 286,745
Half scale
Find third proportional to 552,718 and 1,146,980
Double scale
Find third proportional to 276,361 and 573,494
Similar ratio
Find third proportional to 414,538.50 and 860,235
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.