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Finding the Third Proportional to 61,436,178 and 131,989,653

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Solution

The third proportional to 61,436,178 and 131,989,653 is: 283,566,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,436,178 : 131,989,653 = 131,989,653 : x
  2. Step 2: Convert to fraction form
    61,436,178/131,989,653 = 131,989,653/x
  3. Step 3: Cross multiply
    61,436,178x = 131,989,653 × 131,989,653
  4. Step 4: Simplify right side
    61,436,178x = 17,421,268,499,060,408
  5. Step 5: Solve for x
    x = 17,421,268,499,060,408/61,436,178
  6. Step 6: Final answer
    x = 283,566,931.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.