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Finding the Third Proportional to 131,242,032 and 287,187,768

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Solution

The third proportional to 131,242,032 and 287,187,768 is: 628,432,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,242,032 : 287,187,768 = 287,187,768 : x
  2. Step 2: Convert to fraction form
    131,242,032/287,187,768 = 287,187,768/x
  3. Step 3: Cross multiply
    131,242,032x = 287,187,768 × 287,187,768
  4. Step 4: Simplify right side
    131,242,032x = 82,476,814,088,821,824
  5. Step 5: Solve for x
    x = 82,476,814,088,821,824/131,242,032
  6. Step 6: Final answer
    x = 628,432,925.28

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.