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Finding the Third Proportional to 13,071,780 and 28,723,896

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Solution

The third proportional to 13,071,780 and 28,723,896 is: 63,117,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071,780 : 28,723,896 = 28,723,896 : x
  2. Step 2: Convert to fraction form
    13,071,780/28,723,896 = 28,723,896/x
  3. Step 3: Cross multiply
    13,071,780x = 28,723,896 × 28,723,896
  4. Step 4: Simplify right side
    13,071,780x = 825,062,201,418,816
  5. Step 5: Solve for x
    x = 825,062,201,418,816/13,071,780
  6. Step 6: Final answer
    x = 63,117,815.74

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.