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Finding the Third Proportional to 12,363,922 and 18,913,029

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Solution

The third proportional to 12,363,922 and 18,913,029 is: 28,931,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363,922 : 18,913,029 = 18,913,029 : x
  2. Step 2: Convert to fraction form
    12,363,922/18,913,029 = 18,913,029/x
  3. Step 3: Cross multiply
    12,363,922x = 18,913,029 × 18,913,029
  4. Step 4: Simplify right side
    12,363,922x = 357,702,665,954,841
  5. Step 5: Solve for x
    x = 357,702,665,954,841/12,363,922
  6. Step 6: Final answer
    x = 28,931,164.88

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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.