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Finding the Third Proportional to 13,349,394 and 20,679,964

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Solution

The third proportional to 13,349,394 and 20,679,964 is: 32,035,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,394 : 20,679,964 = 20,679,964 : x
  2. Step 2: Convert to fraction form
    13,349,394/20,679,964 = 20,679,964/x
  3. Step 3: Cross multiply
    13,349,394x = 20,679,964 × 20,679,964
  4. Step 4: Simplify right side
    13,349,394x = 427,660,911,041,296
  5. Step 5: Solve for x
    x = 427,660,911,041,296/13,349,394
  6. Step 6: Final answer
    x = 32,035,979.39

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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.