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Finding the Third Proportional to 258,930,047.25 and 554,588,572.50

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Solution

The third proportional to 258,930,047.25 and 554,588,572.50 is: 1,187,843,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,930,047.25 : 554,588,572.50 = 554,588,572.50 : x
  2. Step 2: Convert to fraction form
    258,930,047.25/554,588,572.50 = 554,588,572.50/x
  3. Step 3: Cross multiply
    258,930,047.25x = 554,588,572.50 × 554,588,572.50
  4. Step 4: Simplify right side
    258,930,047.25x = 307,568,484,747,587,776
  5. Step 5: Solve for x
    x = 307,568,484,747,587,776/258,930,047.25
  6. Step 6: Final answer
    x = 1,187,843,929.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.