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Finding the Third Proportional to 6,991,458.19 and 16,480,811.25

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Solution

The third proportional to 6,991,458.19 and 16,480,811.25 is: 38,849,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,458.19 : 16,480,811.25 = 16,480,811.25 : x
  2. Step 2: Convert to fraction form
    6,991,458.19/16,480,811.25 = 16,480,811.25/x
  3. Step 3: Cross multiply
    6,991,458.19x = 16,480,811.25 × 16,480,811.25
  4. Step 4: Simplify right side
    6,991,458.19x = 271,617,139,458,126.56
  5. Step 5: Solve for x
    x = 271,617,139,458,126.56/6,991,458.19
  6. Step 6: Final answer
    x = 38,849,855.38

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.