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Finding the Third Proportional to 275,918,688 and 383,638,896

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Solution

The third proportional to 275,918,688 and 383,638,896 is: 533,413,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,918,688 : 383,638,896 = 383,638,896 : x
  2. Step 2: Convert to fraction form
    275,918,688/383,638,896 = 383,638,896/x
  3. Step 3: Cross multiply
    275,918,688x = 383,638,896 × 383,638,896
  4. Step 4: Simplify right side
    275,918,688x = 147,178,802,524,098,816
  5. Step 5: Solve for x
    x = 147,178,802,524,098,816/275,918,688
  6. Step 6: Final answer
    x = 533,413,679.19

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.