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Finding the Third Proportional to 273,905,387 and 557,376,681

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Solution

The third proportional to 273,905,387 and 557,376,681 is: 1,134,219,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,905,387 : 557,376,681 = 557,376,681 : x
  2. Step 2: Convert to fraction form
    273,905,387/557,376,681 = 557,376,681/x
  3. Step 3: Cross multiply
    273,905,387x = 557,376,681 × 557,376,681
  4. Step 4: Simplify right side
    273,905,387x = 310,668,764,522,575,744
  5. Step 5: Solve for x
    x = 310,668,764,522,575,744/273,905,387
  6. Step 6: Final answer
    x = 1,134,219,256.97

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.