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Finding the Third Proportional to 287,559,537.75 and 629,856,344.25

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Solution

The third proportional to 287,559,537.75 and 629,856,344.25 is: 1,379,606,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,559,537.75 : 629,856,344.25 = 629,856,344.25 : x
  2. Step 2: Convert to fraction form
    287,559,537.75/629,856,344.25 = 629,856,344.25/x
  3. Step 3: Cross multiply
    287,559,537.75x = 629,856,344.25 × 629,856,344.25
  4. Step 4: Simplify right side
    287,559,537.75x = 396,719,014,391,974,528
  5. Step 5: Solve for x
    x = 396,719,014,391,974,528/287,559,537.75
  6. Step 6: Final answer
    x = 1,379,606,524.26

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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.