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Finding the Third Proportional to 131,183,076.94 and 287,078,281.88

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Solution

The third proportional to 131,183,076.94 and 287,078,281.88 is: 628,236,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,183,076.94 : 287,078,281.88 = 287,078,281.88 : x
  2. Step 2: Convert to fraction form
    131,183,076.94/287,078,281.88 = 287,078,281.88/x
  3. Step 3: Cross multiply
    131,183,076.94x = 287,078,281.88 × 287,078,281.88
  4. Step 4: Simplify right side
    131,183,076.94x = 82,413,939,924,301,952
  5. Step 5: Solve for x
    x = 82,413,939,924,301,952/131,183,076.94
  6. Step 6: Final answer
    x = 628,236,064.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.