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Finding the Third Proportional to 340,738,820 and 556,336,902

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Solution

The third proportional to 340,738,820 and 556,336,902 is: 908,351,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,738,820 : 556,336,902 = 556,336,902 : x
  2. Step 2: Convert to fraction form
    340,738,820/556,336,902 = 556,336,902/x
  3. Step 3: Cross multiply
    340,738,820x = 556,336,902 × 556,336,902
  4. Step 4: Simplify right side
    340,738,820x = 309,510,748,526,957,632
  5. Step 5: Solve for x
    x = 309,510,748,526,957,632/340,738,820
  6. Step 6: Final answer
    x = 908,351,882.32

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.