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Finding the Third Proportional to 20,862,322 and 31,913,558

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Solution

The third proportional to 20,862,322 and 31,913,558 is: 48,818,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,322 : 31,913,558 = 31,913,558 : x
  2. Step 2: Convert to fraction form
    20,862,322/31,913,558 = 31,913,558/x
  3. Step 3: Cross multiply
    20,862,322x = 31,913,558 × 31,913,558
  4. Step 4: Simplify right side
    20,862,322x = 1,018,475,184,219,364
  5. Step 5: Solve for x
    x = 1,018,475,184,219,364/20,862,322
  6. Step 6: Final answer
    x = 48,818,879.52

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.