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Finding the Third Proportional to 56,510,298 and 85,179,519

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Solution

The third proportional to 56,510,298 and 85,179,519 is: 128,393,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,510,298 : 85,179,519 = 85,179,519 : x
  2. Step 2: Convert to fraction form
    56,510,298/85,179,519 = 85,179,519/x
  3. Step 3: Cross multiply
    56,510,298x = 85,179,519 × 85,179,519
  4. Step 4: Simplify right side
    56,510,298x = 7,255,550,457,071,361
  5. Step 5: Solve for x
    x = 7,255,550,457,071,361/56,510,298
  6. Step 6: Final answer
    x = 128,393,420.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.