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Finding the Third Proportional to 272,430,916 and 605,328,008

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Solution

The third proportional to 272,430,916 and 605,328,008 is: 1,345,008,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,430,916 : 605,328,008 = 605,328,008 : x
  2. Step 2: Convert to fraction form
    272,430,916/605,328,008 = 605,328,008/x
  3. Step 3: Cross multiply
    272,430,916x = 605,328,008 × 605,328,008
  4. Step 4: Simplify right side
    272,430,916x = 366,421,997,269,248,064
  5. Step 5: Solve for x
    x = 366,421,997,269,248,064/272,430,916
  6. Step 6: Final answer
    x = 1,345,008,865.55

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.