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Finding the Third Proportional to 1,690,557 and 2,475,147

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Solution

The third proportional to 1,690,557 and 2,475,147 is: 3,623,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,557 : 2,475,147 = 2,475,147 : x
  2. Step 2: Convert to fraction form
    1,690,557/2,475,147 = 2,475,147/x
  3. Step 3: Cross multiply
    1,690,557x = 2,475,147 × 2,475,147
  4. Step 4: Simplify right side
    1,690,557x = 6,126,352,671,609
  5. Step 5: Solve for x
    x = 6,126,352,671,609/1,690,557
  6. Step 6: Final answer
    x = 3,623,866.38

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.