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Finding the Third Proportional to 558,029,911.50 and 870,952,115.25

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Solution

The third proportional to 558,029,911.50 and 870,952,115.25 is: 1,359,349,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,029,911.50 : 870,952,115.25 = 870,952,115.25 : x
  2. Step 2: Convert to fraction form
    558,029,911.50/870,952,115.25 = 870,952,115.25/x
  3. Step 3: Cross multiply
    558,029,911.50x = 870,952,115.25 × 870,952,115.25
  4. Step 4: Simplify right side
    558,029,911.50x = 758,557,587,058,449,280
  5. Step 5: Solve for x
    x = 758,557,587,058,449,280/558,029,911.50
  6. Step 6: Final answer
    x = 1,359,349,331.33

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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.