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Finding the Third Proportional to 56,603,877 and 121,280,247

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Solution

The third proportional to 56,603,877 and 121,280,247 is: 259,856,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,603,877 : 121,280,247 = 121,280,247 : x
  2. Step 2: Convert to fraction form
    56,603,877/121,280,247 = 121,280,247/x
  3. Step 3: Cross multiply
    56,603,877x = 121,280,247 × 121,280,247
  4. Step 4: Simplify right side
    56,603,877x = 14,708,898,312,381,008
  5. Step 5: Solve for x
    x = 14,708,898,312,381,008/56,603,877
  6. Step 6: Final answer
    x = 259,856,728.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.