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Finding the Third Proportional to 4,243,969.50 and 8,271,363

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Solution

The third proportional to 4,243,969.50 and 8,271,363 is: 16,120,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243,969.50 : 8,271,363 = 8,271,363 : x
  2. Step 2: Convert to fraction form
    4,243,969.50/8,271,363 = 8,271,363/x
  3. Step 3: Cross multiply
    4,243,969.50x = 8,271,363 × 8,271,363
  4. Step 4: Simplify right side
    4,243,969.50x = 68,415,445,877,769
  5. Step 5: Solve for x
    x = 68,415,445,877,769/4,243,969.50
  6. Step 6: Final answer
    x = 16,120,626.19

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.