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Finding the Third Proportional to 54,964,916.72 and 120,823,348.78

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Solution

The third proportional to 54,964,916.72 and 120,823,348.78 is: 265,592,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,964,916.72 : 120,823,348.78 = 120,823,348.78 : x
  2. Step 2: Convert to fraction form
    54,964,916.72/120,823,348.78 = 120,823,348.78/x
  3. Step 3: Cross multiply
    54,964,916.72x = 120,823,348.78 × 120,823,348.78
  4. Step 4: Simplify right side
    54,964,916.72x = 14,598,281,610,715,586
  5. Step 5: Solve for x
    x = 14,598,281,610,715,586/54,964,916.72
  6. Step 6: Final answer
    x = 265,592,717.72

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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.