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Finding the Third Proportional to 25,365,243 and 55,578,318

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Solution

The third proportional to 25,365,243 and 55,578,318 is: 121,778,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365,243 : 55,578,318 = 55,578,318 : x
  2. Step 2: Convert to fraction form
    25,365,243/55,578,318 = 55,578,318/x
  3. Step 3: Cross multiply
    25,365,243x = 55,578,318 × 55,578,318
  4. Step 4: Simplify right side
    25,365,243x = 3,088,949,431,709,124
  5. Step 5: Solve for x
    x = 3,088,949,431,709,124/25,365,243
  6. Step 6: Final answer
    x = 121,778,822.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.