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Finding the Third Proportional to 18,729,312 and 41,037,648

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Solution

The third proportional to 18,729,312 and 41,037,648 is: 89,917,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,312 : 41,037,648 = 41,037,648 : x
  2. Step 2: Convert to fraction form
    18,729,312/41,037,648 = 41,037,648/x
  3. Step 3: Cross multiply
    18,729,312x = 41,037,648 × 41,037,648
  4. Step 4: Simplify right side
    18,729,312x = 1,684,088,553,371,904
  5. Step 5: Solve for x
    x = 1,684,088,553,371,904/18,729,312
  6. Step 6: Final answer
    x = 89,917,267.30

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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.