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Finding the Third Proportional to 4,658,721 and 9,543,326

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Solution

The third proportional to 4,658,721 and 9,543,326 is: 19,549,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658,721 : 9,543,326 = 9,543,326 : x
  2. Step 2: Convert to fraction form
    4,658,721/9,543,326 = 9,543,326/x
  3. Step 3: Cross multiply
    4,658,721x = 9,543,326 × 9,543,326
  4. Step 4: Simplify right side
    4,658,721x = 91,075,071,142,276
  5. Step 5: Solve for x
    x = 91,075,071,142,276/4,658,721
  6. Step 6: Final answer
    x = 19,549,372.27

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.