Home / 189,496,599,973.88-421,361,935,088.64

Finding the Third Proportional to 189,496,599,973.88 and 421,361,935,088.64

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Solution

The third proportional to 189,496,599,973.88 and 421,361,935,088.64 is: 936,934,384,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,496,599,973.88 : 421,361,935,088.64 = 421,361,935,088.64 : x
  2. Step 2: Convert to fraction form
    189,496,599,973.88/421,361,935,088.64 = 421,361,935,088.64/x
  3. Step 3: Cross multiply
    189,496,599,973.88x = 421,361,935,088.64 × 421,361,935,088.64
  4. Step 4: Simplify right side
    189,496,599,973.88x = 177,545,880,341,643,293,360,128
  5. Step 5: Solve for x
    x = 177,545,880,341,643,293,360,128/189,496,599,973.88
  6. Step 6: Final answer
    x = 936,934,384,923.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.