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Finding the Third Proportional to 4,430,578.88 and 6,638,477.06

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Solution

The third proportional to 4,430,578.88 and 6,638,477.06 is: 9,946,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430,578.88 : 6,638,477.06 = 6,638,477.06 : x
  2. Step 2: Convert to fraction form
    4,430,578.88/6,638,477.06 = 6,638,477.06/x
  3. Step 3: Cross multiply
    4,430,578.88x = 6,638,477.06 × 6,638,477.06
  4. Step 4: Simplify right side
    4,430,578.88x = 44,069,377,709,338.62
  5. Step 5: Solve for x
    x = 44,069,377,709,338.62/4,430,578.88
  6. Step 6: Final answer
    x = 9,946,641.05

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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.