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Finding the Third Proportional to 271,673,412.75 and 423,652,636.13

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Solution

The third proportional to 271,673,412.75 and 423,652,636.13 is: 660,651,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,673,412.75 : 423,652,636.13 = 423,652,636.13 : x
  2. Step 2: Convert to fraction form
    271,673,412.75/423,652,636.13 = 423,652,636.13/x
  3. Step 3: Cross multiply
    271,673,412.75x = 423,652,636.13 × 423,652,636.13
  4. Step 4: Simplify right side
    271,673,412.75x = 179,481,556,095,661,664
  5. Step 5: Solve for x
    x = 179,481,556,095,661,664/271,673,412.75
  6. Step 6: Final answer
    x = 660,651,899.20

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.