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Finding the Third Proportional to 61,317,708 and 133,521,816

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Solution

The third proportional to 61,317,708 and 133,521,816 is: 290,749,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,317,708 : 133,521,816 = 133,521,816 : x
  2. Step 2: Convert to fraction form
    61,317,708/133,521,816 = 133,521,816/x
  3. Step 3: Cross multiply
    61,317,708x = 133,521,816 × 133,521,816
  4. Step 4: Simplify right side
    61,317,708x = 17,828,075,347,937,856
  5. Step 5: Solve for x
    x = 17,828,075,347,937,856/61,317,708
  6. Step 6: Final answer
    x = 290,749,213.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.