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Finding the Third Proportional to 18,953,155 and 40,932,510

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Solution

The third proportional to 18,953,155 and 40,932,510 is: 88,400,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,155 : 40,932,510 = 40,932,510 : x
  2. Step 2: Convert to fraction form
    18,953,155/40,932,510 = 40,932,510/x
  3. Step 3: Cross multiply
    18,953,155x = 40,932,510 × 40,932,510
  4. Step 4: Simplify right side
    18,953,155x = 1,675,470,374,900,100
  5. Step 5: Solve for x
    x = 1,675,470,374,900,100/18,953,155
  6. Step 6: Final answer
    x = 88,400,605.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.