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Finding the Third Proportional to 18,863,928 and 40,417,046

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Solution

The third proportional to 18,863,928 and 40,417,046 is: 86,595,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863,928 : 40,417,046 = 40,417,046 : x
  2. Step 2: Convert to fraction form
    18,863,928/40,417,046 = 40,417,046/x
  3. Step 3: Cross multiply
    18,863,928x = 40,417,046 × 40,417,046
  4. Step 4: Simplify right side
    18,863,928x = 1,633,537,607,366,116
  5. Step 5: Solve for x
    x = 1,633,537,607,366,116/18,863,928
  6. Step 6: Final answer
    x = 86,595,835.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.