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Finding the Third Proportional to 12,561,285.50 and 27,209,353.50

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Solution

The third proportional to 12,561,285.50 and 27,209,353.50 is: 58,938,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,285.50 : 27,209,353.50 = 27,209,353.50 : x
  2. Step 2: Convert to fraction form
    12,561,285.50/27,209,353.50 = 27,209,353.50/x
  3. Step 3: Cross multiply
    12,561,285.50x = 27,209,353.50 × 27,209,353.50
  4. Step 4: Simplify right side
    12,561,285.50x = 740,348,917,887,962.25
  5. Step 5: Solve for x
    x = 740,348,917,887,962.25/12,561,285.50
  6. Step 6: Final answer
    x = 58,938,945.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.