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Finding the Third Proportional to 18,441,792 and 40,470,816

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Solution

The third proportional to 18,441,792 and 40,470,816 is: 88,813,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,792 : 40,470,816 = 40,470,816 : x
  2. Step 2: Convert to fraction form
    18,441,792/40,470,816 = 40,470,816/x
  3. Step 3: Cross multiply
    18,441,792x = 40,470,816 × 40,470,816
  4. Step 4: Simplify right side
    18,441,792x = 1,637,886,947,705,856
  5. Step 5: Solve for x
    x = 1,637,886,947,705,856/18,441,792
  6. Step 6: Final answer
    x = 88,813,871.65

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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.