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Finding the Third Proportional to 10,402,401 and 13,802,872.50

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Solution

The third proportional to 10,402,401 and 13,802,872.50 is: 18,314,934.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,401 : 13,802,872.50 = 13,802,872.50 : x
  2. Step 2: Convert to fraction form
    10,402,401/13,802,872.50 = 13,802,872.50/x
  3. Step 3: Cross multiply
    10,402,401x = 13,802,872.50 × 13,802,872.50
  4. Step 4: Simplify right side
    10,402,401x = 190,519,289,251,256.25
  5. Step 5: Solve for x
    x = 190,519,289,251,256.25/10,402,401
  6. Step 6: Final answer
    x = 18,314,934.14

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.