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Finding the Third Proportional to 3,210,384 and 6,686,488

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Solution

The third proportional to 3,210,384 and 6,686,488 is: 13,926,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,384 : 6,686,488 = 6,686,488 : x
  2. Step 2: Convert to fraction form
    3,210,384/6,686,488 = 6,686,488/x
  3. Step 3: Cross multiply
    3,210,384x = 6,686,488 × 6,686,488
  4. Step 4: Simplify right side
    3,210,384x = 44,709,121,774,144
  5. Step 5: Solve for x
    x = 44,709,121,774,144/3,210,384
  6. Step 6: Final answer
    x = 13,926,409.36

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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.