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Finding the Third Proportional to 1,231,627.78 and 1,845,595.13

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Solution

The third proportional to 1,231,627.78 and 1,845,595.13 is: 2,765,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,627.78 : 1,845,595.13 = 1,845,595.13 : x
  2. Step 2: Convert to fraction form
    1,231,627.78/1,845,595.13 = 1,845,595.13/x
  3. Step 3: Cross multiply
    1,231,627.78x = 1,845,595.13 × 1,845,595.13
  4. Step 4: Simplify right side
    1,231,627.78x = 3,406,221,365,423.77
  5. Step 5: Solve for x
    x = 3,406,221,365,423.77/1,231,627.78
  6. Step 6: Final answer
    x = 2,765,625.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.