Home / 77,574,285-115,688,721

Finding the Third Proportional to 77,574,285 and 115,688,721

Calculator

Solution

The third proportional to 77,574,285 and 115,688,721 is: 172,529,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,574,285 : 115,688,721 = 115,688,721 : x
  2. Step 2: Convert to fraction form
    77,574,285/115,688,721 = 115,688,721/x
  3. Step 3: Cross multiply
    77,574,285x = 115,688,721 × 115,688,721
  4. Step 4: Simplify right side
    77,574,285x = 13,383,880,166,615,840
  5. Step 5: Solve for x
    x = 13,383,880,166,615,840/77,574,285
  6. Step 6: Final answer
    x = 172,529,855.31

Related Problems

Find third proportional to 38,787,142.50 and 57,844,360.50
Half scale
Find third proportional to 155,148,570 and 231,377,442
Double scale
Find third proportional to 77,574,287 and 115,688,724
Similar ratio
Find third proportional to 116,361,427.50 and 173,533,081.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.