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Finding the Third Proportional to 721,588.50 and 1,557,582.75

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Solution

The third proportional to 721,588.50 and 1,557,582.75 is: 3,362,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,588.50 : 1,557,582.75 = 1,557,582.75 : x
  2. Step 2: Convert to fraction form
    721,588.50/1,557,582.75 = 1,557,582.75/x
  3. Step 3: Cross multiply
    721,588.50x = 1,557,582.75 × 1,557,582.75
  4. Step 4: Simplify right side
    721,588.50x = 2,426,064,023,097.56
  5. Step 5: Solve for x
    x = 2,426,064,023,097.56/721,588.50
  6. Step 6: Final answer
    x = 3,362,115.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.