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Finding the Third Proportional to 13,455,658 and 20,344,047

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Solution

The third proportional to 13,455,658 and 20,344,047 is: 30,758,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,658 : 20,344,047 = 20,344,047 : x
  2. Step 2: Convert to fraction form
    13,455,658/20,344,047 = 20,344,047/x
  3. Step 3: Cross multiply
    13,455,658x = 20,344,047 × 20,344,047
  4. Step 4: Simplify right side
    13,455,658x = 413,880,248,338,209
  5. Step 5: Solve for x
    x = 413,880,248,338,209/13,455,658
  6. Step 6: Final answer
    x = 30,758,826.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.