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Finding the Third Proportional to 56,519,440 and 121,699,253

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Solution

The third proportional to 56,519,440 and 121,699,253 is: 262,046,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,519,440 : 121,699,253 = 121,699,253 : x
  2. Step 2: Convert to fraction form
    56,519,440/121,699,253 = 121,699,253/x
  3. Step 3: Cross multiply
    56,519,440x = 121,699,253 × 121,699,253
  4. Step 4: Simplify right side
    56,519,440x = 14,810,708,180,758,008
  5. Step 5: Solve for x
    x = 14,810,708,180,758,008/56,519,440
  6. Step 6: Final answer
    x = 262,046,265.51

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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.