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Finding the Third Proportional to 3,838,776 and 8,400,720

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Solution

The third proportional to 3,838,776 and 8,400,720 is: 18,384,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,776 : 8,400,720 = 8,400,720 : x
  2. Step 2: Convert to fraction form
    3,838,776/8,400,720 = 8,400,720/x
  3. Step 3: Cross multiply
    3,838,776x = 8,400,720 × 8,400,720
  4. Step 4: Simplify right side
    3,838,776x = 70,572,096,518,400
  5. Step 5: Solve for x
    x = 70,572,096,518,400/3,838,776
  6. Step 6: Final answer
    x = 18,384,010.04

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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.