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Finding the Third Proportional to 72,714,905 and 155,507,505

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Solution

The third proportional to 72,714,905 and 155,507,505 is: 332,567,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,714,905 : 155,507,505 = 155,507,505 : x
  2. Step 2: Convert to fraction form
    72,714,905/155,507,505 = 155,507,505/x
  3. Step 3: Cross multiply
    72,714,905x = 155,507,505 × 155,507,505
  4. Step 4: Simplify right side
    72,714,905x = 24,182,584,111,325,024
  5. Step 5: Solve for x
    x = 24,182,584,111,325,024/72,714,905
  6. Step 6: Final answer
    x = 332,567,086.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.