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Finding the Third Proportional to 53,153,037 and 81,996,174

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Solution

The third proportional to 53,153,037 and 81,996,174 is: 126,490,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153,037 : 81,996,174 = 81,996,174 : x
  2. Step 2: Convert to fraction form
    53,153,037/81,996,174 = 81,996,174/x
  3. Step 3: Cross multiply
    53,153,037x = 81,996,174 × 81,996,174
  4. Step 4: Simplify right side
    53,153,037x = 6,723,372,550,638,276
  5. Step 5: Solve for x
    x = 6,723,372,550,638,276/53,153,037
  6. Step 6: Final answer
    x = 126,490,844.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.