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Finding the Third Proportional to 29,860,272 and 65,505,888

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Solution

The third proportional to 29,860,272 and 65,505,888 is: 143,703,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,860,272 : 65,505,888 = 65,505,888 : x
  2. Step 2: Convert to fraction form
    29,860,272/65,505,888 = 65,505,888/x
  3. Step 3: Cross multiply
    29,860,272x = 65,505,888 × 65,505,888
  4. Step 4: Simplify right side
    29,860,272x = 4,291,021,362,668,544
  5. Step 5: Solve for x
    x = 4,291,021,362,668,544/29,860,272
  6. Step 6: Final answer
    x = 143,703,358.18

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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.