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Finding the Third Proportional to 1,137,069.75 and 2,487,775.50

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Solution

The third proportional to 1,137,069.75 and 2,487,775.50 is: 5,442,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,069.75 : 2,487,775.50 = 2,487,775.50 : x
  2. Step 2: Convert to fraction form
    1,137,069.75/2,487,775.50 = 2,487,775.50/x
  3. Step 3: Cross multiply
    1,137,069.75x = 2,487,775.50 × 2,487,775.50
  4. Step 4: Simplify right side
    1,137,069.75x = 6,189,026,938,400.25
  5. Step 5: Solve for x
    x = 6,189,026,938,400.25/1,137,069.75
  6. Step 6: Final answer
    x = 5,442,961.56

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.