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Finding the Third Proportional to 131,326,272 and 285,082,272

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Solution

The third proportional to 131,326,272 and 285,082,272 is: 618,854,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,326,272 : 285,082,272 = 285,082,272 : x
  2. Step 2: Convert to fraction form
    131,326,272/285,082,272 = 285,082,272/x
  3. Step 3: Cross multiply
    131,326,272x = 285,082,272 × 285,082,272
  4. Step 4: Simplify right side
    131,326,272x = 81,271,901,808,681,984
  5. Step 5: Solve for x
    x = 81,271,901,808,681,984/131,326,272
  6. Step 6: Final answer
    x = 618,854,861.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.