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Finding the Third Proportional to 134,072,946 and 287,987,814

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Solution

The third proportional to 134,072,946 and 287,987,814 is: 618,595,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,072,946 : 287,987,814 = 287,987,814 : x
  2. Step 2: Convert to fraction form
    134,072,946/287,987,814 = 287,987,814/x
  3. Step 3: Cross multiply
    134,072,946x = 287,987,814 × 287,987,814
  4. Step 4: Simplify right side
    134,072,946x = 82,936,981,012,498,592
  5. Step 5: Solve for x
    x = 82,936,981,012,498,592/134,072,946
  6. Step 6: Final answer
    x = 618,595,947.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.