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Finding the Third Proportional to 72,673,626 and 159,471,862.50

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Solution

The third proportional to 72,673,626 and 159,471,862.50 is: 349,938,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,673,626 : 159,471,862.50 = 159,471,862.50 : x
  2. Step 2: Convert to fraction form
    72,673,626/159,471,862.50 = 159,471,862.50/x
  3. Step 3: Cross multiply
    72,673,626x = 159,471,862.50 × 159,471,862.50
  4. Step 4: Simplify right side
    72,673,626x = 25,431,274,929,218,908
  5. Step 5: Solve for x
    x = 25,431,274,929,218,908/72,673,626
  6. Step 6: Final answer
    x = 349,938,159.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.