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Finding the Third Proportional to 18,481,574 and 28,730,379

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Solution

The third proportional to 18,481,574 and 28,730,379 is: 44,662,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481,574 : 28,730,379 = 28,730,379 : x
  2. Step 2: Convert to fraction form
    18,481,574/28,730,379 = 28,730,379/x
  3. Step 3: Cross multiply
    18,481,574x = 28,730,379 × 28,730,379
  4. Step 4: Simplify right side
    18,481,574x = 825,434,677,483,641
  5. Step 5: Solve for x
    x = 825,434,677,483,641/18,481,574
  6. Step 6: Final answer
    x = 44,662,574.60

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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.