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Finding the Third Proportional to 136,438,610 and 209,927,667

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Solution

The third proportional to 136,438,610 and 209,927,667 is: 322,999,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,438,610 : 209,927,667 = 209,927,667 : x
  2. Step 2: Convert to fraction form
    136,438,610/209,927,667 = 209,927,667/x
  3. Step 3: Cross multiply
    136,438,610x = 209,927,667 × 209,927,667
  4. Step 4: Simplify right side
    136,438,610x = 44,069,625,372,062,888
  5. Step 5: Solve for x
    x = 44,069,625,372,062,888/136,438,610
  6. Step 6: Final answer
    x = 322,999,665.36

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.