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Finding the Third Proportional to 1,690,383 and 3,758,709

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Solution

The third proportional to 1,690,383 and 3,758,709 is: 8,357,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,383 : 3,758,709 = 3,758,709 : x
  2. Step 2: Convert to fraction form
    1,690,383/3,758,709 = 3,758,709/x
  3. Step 3: Cross multiply
    1,690,383x = 3,758,709 × 3,758,709
  4. Step 4: Simplify right side
    1,690,383x = 14,127,893,346,681
  5. Step 5: Solve for x
    x = 14,127,893,346,681/1,690,383
  6. Step 6: Final answer
    x = 8,357,806.10

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.