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Finding the Third Proportional to 4,287,417 and 8,927,670

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Solution

The third proportional to 4,287,417 and 8,927,670 is: 18,590,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,417 : 8,927,670 = 8,927,670 : x
  2. Step 2: Convert to fraction form
    4,287,417/8,927,670 = 8,927,670/x
  3. Step 3: Cross multiply
    4,287,417x = 8,927,670 × 8,927,670
  4. Step 4: Simplify right side
    4,287,417x = 79,703,291,628,900
  5. Step 5: Solve for x
    x = 79,703,291,628,900/4,287,417
  6. Step 6: Final answer
    x = 18,590,048.89

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.