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Finding the Third Proportional to 13,880,700 and 20,739,402

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Solution

The third proportional to 13,880,700 and 20,739,402 is: 30,987,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880,700 : 20,739,402 = 20,739,402 : x
  2. Step 2: Convert to fraction form
    13,880,700/20,739,402 = 20,739,402/x
  3. Step 3: Cross multiply
    13,880,700x = 20,739,402 × 20,739,402
  4. Step 4: Simplify right side
    13,880,700x = 430,122,795,317,604
  5. Step 5: Solve for x
    x = 430,122,795,317,604/13,880,700
  6. Step 6: Final answer
    x = 30,987,111.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.