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Finding the Third Proportional to 4,385,990 and 6,578,985

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Solution

The third proportional to 4,385,990 and 6,578,985 is: 9,868,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385,990 : 6,578,985 = 6,578,985 : x
  2. Step 2: Convert to fraction form
    4,385,990/6,578,985 = 6,578,985/x
  3. Step 3: Cross multiply
    4,385,990x = 6,578,985 × 6,578,985
  4. Step 4: Simplify right side
    4,385,990x = 43,283,043,630,225
  5. Step 5: Solve for x
    x = 43,283,043,630,225/4,385,990
  6. Step 6: Final answer
    x = 9,868,477.50

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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.