Home / 178,066,362.38-392,359,799.25

Finding the Third Proportional to 178,066,362.38 and 392,359,799.25

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Solution

The third proportional to 178,066,362.38 and 392,359,799.25 is: 864,544,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,066,362.38 : 392,359,799.25 = 392,359,799.25 : x
  2. Step 2: Convert to fraction form
    178,066,362.38/392,359,799.25 = 392,359,799.25/x
  3. Step 3: Cross multiply
    178,066,362.38x = 392,359,799.25 × 392,359,799.25
  4. Step 4: Simplify right side
    178,066,362.38x = 153,946,212,067,500,288
  5. Step 5: Solve for x
    x = 153,946,212,067,500,288/178,066,362.38
  6. Step 6: Final answer
    x = 864,544,038.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.