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Finding the Third Proportional to 39,933,720 and 57,066,246

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Solution

The third proportional to 39,933,720 and 57,066,246 is: 81,549,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933,720 : 57,066,246 = 57,066,246 : x
  2. Step 2: Convert to fraction form
    39,933,720/57,066,246 = 57,066,246/x
  3. Step 3: Cross multiply
    39,933,720x = 57,066,246 × 57,066,246
  4. Step 4: Simplify right side
    39,933,720x = 3,256,556,432,532,516
  5. Step 5: Solve for x
    x = 3,256,556,432,532,516/39,933,720
  6. Step 6: Final answer
    x = 81,549,037.57

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.