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Finding the Third Proportional to 5,818,957 and 12,645,148

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Solution

The third proportional to 5,818,957 and 12,645,148 is: 27,479,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818,957 : 12,645,148 = 12,645,148 : x
  2. Step 2: Convert to fraction form
    5,818,957/12,645,148 = 12,645,148/x
  3. Step 3: Cross multiply
    5,818,957x = 12,645,148 × 12,645,148
  4. Step 4: Simplify right side
    5,818,957x = 159,899,767,941,904
  5. Step 5: Solve for x
    x = 159,899,767,941,904/5,818,957
  6. Step 6: Final answer
    x = 27,479,111.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.