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Finding the Third Proportional to 121,349,340 and 267,435,715.50

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Solution

The third proportional to 121,349,340 and 267,435,715.50 is: 589,388,141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,349,340 : 267,435,715.50 = 267,435,715.50 : x
  2. Step 2: Convert to fraction form
    121,349,340/267,435,715.50 = 267,435,715.50/x
  3. Step 3: Cross multiply
    121,349,340x = 267,435,715.50 × 267,435,715.50
  4. Step 4: Simplify right side
    121,349,340x = 71,521,861,924,996,944
  5. Step 5: Solve for x
    x = 71,521,861,924,996,944/121,349,340
  6. Step 6: Final answer
    x = 589,388,141.09

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.