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Finding the Third Proportional to 25,156,728 and 53,213,985

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Solution

The third proportional to 25,156,728 and 53,213,985 is: 112,563,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156,728 : 53,213,985 = 53,213,985 : x
  2. Step 2: Convert to fraction form
    25,156,728/53,213,985 = 53,213,985/x
  3. Step 3: Cross multiply
    25,156,728x = 53,213,985 × 53,213,985
  4. Step 4: Simplify right side
    25,156,728x = 2,831,728,199,580,225
  5. Step 5: Solve for x
    x = 2,831,728,199,580,225/25,156,728
  6. Step 6: Final answer
    x = 112,563,454.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.