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Finding the Third Proportional to 3,842,856 and 8,316,861

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Solution

The third proportional to 3,842,856 and 8,316,861 is: 17,999,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,856 : 8,316,861 = 8,316,861 : x
  2. Step 2: Convert to fraction form
    3,842,856/8,316,861 = 8,316,861/x
  3. Step 3: Cross multiply
    3,842,856x = 8,316,861 × 8,316,861
  4. Step 4: Simplify right side
    3,842,856x = 69,170,176,893,321
  5. Step 5: Solve for x
    x = 69,170,176,893,321/3,842,856
  6. Step 6: Final answer
    x = 17,999,679.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.