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Finding the Third Proportional to 188,656,068 and 299,990,454

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Solution

The third proportional to 188,656,068 and 299,990,454 is: 477,028,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,656,068 : 299,990,454 = 299,990,454 : x
  2. Step 2: Convert to fraction form
    188,656,068/299,990,454 = 299,990,454/x
  3. Step 3: Cross multiply
    188,656,068x = 299,990,454 × 299,990,454
  4. Step 4: Simplify right side
    188,656,068x = 89,994,272,491,126,112
  5. Step 5: Solve for x
    x = 89,994,272,491,126,112/188,656,068
  6. Step 6: Final answer
    x = 477,028,242.16

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.