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Finding the Third Proportional to 19,383,566 and 30,411,279

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Solution

The third proportional to 19,383,566 and 30,411,279 is: 47,712,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383,566 : 30,411,279 = 30,411,279 : x
  2. Step 2: Convert to fraction form
    19,383,566/30,411,279 = 30,411,279/x
  3. Step 3: Cross multiply
    19,383,566x = 30,411,279 × 30,411,279
  4. Step 4: Simplify right side
    19,383,566x = 924,845,890,415,841
  5. Step 5: Solve for x
    x = 924,845,890,415,841/19,383,566
  6. Step 6: Final answer
    x = 47,712,886.80

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.