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Finding the Third Proportional to 18,787,605.75 and 29,090,476.69

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Solution

The third proportional to 18,787,605.75 and 29,090,476.69 is: 45,043,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787,605.75 : 29,090,476.69 = 29,090,476.69 : x
  2. Step 2: Convert to fraction form
    18,787,605.75/29,090,476.69 = 29,090,476.69/x
  3. Step 3: Cross multiply
    18,787,605.75x = 29,090,476.69 × 29,090,476.69
  4. Step 4: Simplify right side
    18,787,605.75x = 846,255,833,905,981
  5. Step 5: Solve for x
    x = 846,255,833,905,981/18,787,605.75
  6. Step 6: Final answer
    x = 45,043,303.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.