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Finding the Third Proportional to 4,287,419 and 8,927,674

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Solution

The third proportional to 4,287,419 and 8,927,674 is: 18,590,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,419 : 8,927,674 = 8,927,674 : x
  2. Step 2: Convert to fraction form
    4,287,419/8,927,674 = 8,927,674/x
  3. Step 3: Cross multiply
    4,287,419x = 8,927,674 × 8,927,674
  4. Step 4: Simplify right side
    4,287,419x = 79,703,363,050,276
  5. Step 5: Solve for x
    x = 79,703,363,050,276/4,287,419
  6. Step 6: Final answer
    x = 18,590,056.87

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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.