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Finding the Third Proportional to 12,321,044 and 19,153,580

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Solution

The third proportional to 12,321,044 and 19,153,580 is: 29,775,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321,044 : 19,153,580 = 19,153,580 : x
  2. Step 2: Convert to fraction form
    12,321,044/19,153,580 = 19,153,580/x
  3. Step 3: Cross multiply
    12,321,044x = 19,153,580 × 19,153,580
  4. Step 4: Simplify right side
    12,321,044x = 366,859,626,816,400
  5. Step 5: Solve for x
    x = 366,859,626,816,400/12,321,044
  6. Step 6: Final answer
    x = 29,775,043.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.