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Finding the Third Proportional to 7,315,268 and 15,918,316

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Solution

The third proportional to 7,315,268 and 15,918,316 is: 34,638,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315,268 : 15,918,316 = 15,918,316 : x
  2. Step 2: Convert to fraction form
    7,315,268/15,918,316 = 15,918,316/x
  3. Step 3: Cross multiply
    7,315,268x = 15,918,316 × 15,918,316
  4. Step 4: Simplify right side
    7,315,268x = 253,392,784,275,856
  5. Step 5: Solve for x
    x = 253,392,784,275,856/7,315,268
  6. Step 6: Final answer
    x = 34,638,892.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.