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Finding the Third Proportional to 13,573,818 and 18,987,534

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Solution

The third proportional to 13,573,818 and 18,987,534 is: 26,560,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573,818 : 18,987,534 = 18,987,534 : x
  2. Step 2: Convert to fraction form
    13,573,818/18,987,534 = 18,987,534/x
  3. Step 3: Cross multiply
    13,573,818x = 18,987,534 × 18,987,534
  4. Step 4: Simplify right side
    13,573,818x = 360,526,447,401,156
  5. Step 5: Solve for x
    x = 360,526,447,401,156/13,573,818
  6. Step 6: Final answer
    x = 26,560,430.34

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.