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Finding the Third Proportional to 8,505,276 and 18,190,776

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Solution

The third proportional to 8,505,276 and 18,190,776 is: 38,905,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505,276 : 18,190,776 = 18,190,776 : x
  2. Step 2: Convert to fraction form
    8,505,276/18,190,776 = 18,190,776/x
  3. Step 3: Cross multiply
    8,505,276x = 18,190,776 × 18,190,776
  4. Step 4: Simplify right side
    8,505,276x = 330,904,331,482,176
  5. Step 5: Solve for x
    x = 330,904,331,482,176/8,505,276
  6. Step 6: Final answer
    x = 38,905,772.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.