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Finding the Third Proportional to 40,269,348 and 87,257,160

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Solution

The third proportional to 40,269,348 and 87,257,160 is: 189,072,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,269,348 : 87,257,160 = 87,257,160 : x
  2. Step 2: Convert to fraction form
    40,269,348/87,257,160 = 87,257,160/x
  3. Step 3: Cross multiply
    40,269,348x = 87,257,160 × 87,257,160
  4. Step 4: Simplify right side
    40,269,348x = 7,613,811,971,265,600
  5. Step 5: Solve for x
    x = 7,613,811,971,265,600/40,269,348
  6. Step 6: Final answer
    x = 189,072,144.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.