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Finding the Third Proportional to 72,673,627.78 and 159,471,848.25

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Solution

The third proportional to 72,673,627.78 and 159,471,848.25 is: 349,938,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,673,627.78 : 159,471,848.25 = 159,471,848.25 : x
  2. Step 2: Convert to fraction form
    72,673,627.78/159,471,848.25 = 159,471,848.25/x
  3. Step 3: Cross multiply
    72,673,627.78x = 159,471,848.25 × 159,471,848.25
  4. Step 4: Simplify right side
    72,673,627.78x = 25,431,270,384,271,028
  5. Step 5: Solve for x
    x = 25,431,270,384,271,028/72,673,627.78
  6. Step 6: Final answer
    x = 349,938,088.42

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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.