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Finding the Third Proportional to 2,217,607.88 and 3,242,219.91

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Solution

The third proportional to 2,217,607.88 and 3,242,219.91 is: 4,740,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,607.88 : 3,242,219.91 = 3,242,219.91 : x
  2. Step 2: Convert to fraction form
    2,217,607.88/3,242,219.91 = 3,242,219.91/x
  3. Step 3: Cross multiply
    2,217,607.88x = 3,242,219.91 × 3,242,219.91
  4. Step 4: Simplify right side
    2,217,607.88x = 10,511,989,920,483.76
  5. Step 5: Solve for x
    x = 10,511,989,920,483.76/2,217,607.88
  6. Step 6: Final answer
    x = 4,740,238.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.