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Finding the Third Proportional to 9,418,385 and 14,196,590

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Solution

The third proportional to 9,418,385 and 14,196,590 is: 21,398,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418,385 : 14,196,590 = 14,196,590 : x
  2. Step 2: Convert to fraction form
    9,418,385/14,196,590 = 14,196,590/x
  3. Step 3: Cross multiply
    9,418,385x = 14,196,590 × 14,196,590
  4. Step 4: Simplify right side
    9,418,385x = 201,543,167,628,100
  5. Step 5: Solve for x
    x = 201,543,167,628,100/9,418,385
  6. Step 6: Final answer
    x = 21,398,909.43

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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.