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Finding the Third Proportional to 7,991,145 and 17,259,156

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Solution

The third proportional to 7,991,145 and 17,259,156 is: 37,276,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,145 : 17,259,156 = 17,259,156 : x
  2. Step 2: Convert to fraction form
    7,991,145/17,259,156 = 17,259,156/x
  3. Step 3: Cross multiply
    7,991,145x = 17,259,156 × 17,259,156
  4. Step 4: Simplify right side
    7,991,145x = 297,878,465,832,336
  5. Step 5: Solve for x
    x = 297,878,465,832,336/7,991,145
  6. Step 6: Final answer
    x = 37,276,068.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.