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Finding the Third Proportional to 6,921,310 and 15,145,860

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Solution

The third proportional to 6,921,310 and 15,145,860 is: 33,143,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,310 : 15,145,860 = 15,145,860 : x
  2. Step 2: Convert to fraction form
    6,921,310/15,145,860 = 15,145,860/x
  3. Step 3: Cross multiply
    6,921,310x = 15,145,860 × 15,145,860
  4. Step 4: Simplify right side
    6,921,310x = 229,397,075,139,600
  5. Step 5: Solve for x
    x = 229,397,075,139,600/6,921,310
  6. Step 6: Final answer
    x = 33,143,592.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.