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Finding the Third Proportional to 57,807,372 and 78,737,178

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Solution

The third proportional to 57,807,372 and 78,737,178 is: 107,244,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807,372 : 78,737,178 = 78,737,178 : x
  2. Step 2: Convert to fraction form
    57,807,372/78,737,178 = 78,737,178/x
  3. Step 3: Cross multiply
    57,807,372x = 78,737,178 × 78,737,178
  4. Step 4: Simplify right side
    57,807,372x = 6,199,543,199,403,684
  5. Step 5: Solve for x
    x = 6,199,543,199,403,684/57,807,372
  6. Step 6: Final answer
    x = 107,244,854.50

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.