Home / 55,390,548-128,219,088

Finding the Third Proportional to 55,390,548 and 128,219,088

Calculator

Solution

The third proportional to 55,390,548 and 128,219,088 is: 296,803,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,390,548 : 128,219,088 = 128,219,088 : x
  2. Step 2: Convert to fraction form
    55,390,548/128,219,088 = 128,219,088/x
  3. Step 3: Cross multiply
    55,390,548x = 128,219,088 × 128,219,088
  4. Step 4: Simplify right side
    55,390,548x = 16,440,134,527,551,744
  5. Step 5: Solve for x
    x = 16,440,134,527,551,744/55,390,548
  6. Step 6: Final answer
    x = 296,803,969.65

Related Problems

Find third proportional to 27,695,274 and 64,109,544
Half scale
Find third proportional to 110,781,096 and 256,438,176
Double scale
Find third proportional to 55,390,550 and 128,219,093
Similar ratio
Find third proportional to 83,085,822 and 192,328,632
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.