Home / 71,490-154,750.50

Finding the Third Proportional to 71,490 and 154,750.50

Calculator

Solution

The third proportional to 71,490 and 154,750.50 is: 334,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,490 : 154,750.50 = 154,750.50 : x
  2. Step 2: Convert to fraction form
    71,490/154,750.50 = 154,750.50/x
  3. Step 3: Cross multiply
    71,490x = 154,750.50 × 154,750.50
  4. Step 4: Simplify right side
    71,490x = 23,947,717,250.25
  5. Step 5: Solve for x
    x = 23,947,717,250.25/71,490
  6. Step 6: Final answer
    x = 334,979.96

Related Problems

Find third proportional to 35,745 and 77,375.25
Half scale
Find third proportional to 142,980 and 309,501
Double scale
Find third proportional to 71,492 and 154,755
Similar ratio
Find third proportional to 107,235 and 232,125.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.