Home / 306,036-662,890

Finding the Third Proportional to 306,036 and 662,890

Calculator

Solution

The third proportional to 306,036 and 662,890 is: 1,435,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,036 : 662,890 = 662,890 : x
  2. Step 2: Convert to fraction form
    306,036/662,890 = 662,890/x
  3. Step 3: Cross multiply
    306,036x = 662,890 × 662,890
  4. Step 4: Simplify right side
    306,036x = 439,423,152,100
  5. Step 5: Solve for x
    x = 439,423,152,100/306,036
  6. Step 6: Final answer
    x = 1,435,854.45

Related Problems

Find third proportional to 153,018 and 331,445
Half scale
Find third proportional to 612,072 and 1,325,780
Double scale
Find third proportional to 306,038 and 662,894
Similar ratio
Find third proportional to 459,054 and 994,335
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.