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Finding the Third Proportional to 136,608,417.74 and 209,847,237.57

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Solution

The third proportional to 136,608,417.74 and 209,847,237.57 is: 322,351,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,608,417.74 : 209,847,237.57 = 209,847,237.57 : x
  2. Step 2: Convert to fraction form
    136,608,417.74/209,847,237.57 = 209,847,237.57/x
  3. Step 3: Cross multiply
    136,608,417.74x = 209,847,237.57 × 209,847,237.57
  4. Step 4: Simplify right side
    136,608,417.74x = 44,035,863,117,526,928
  5. Step 5: Solve for x
    x = 44,035,863,117,526,928/136,608,417.74
  6. Step 6: Final answer
    x = 322,351,022.34

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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.