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Finding the Third Proportional to 1,686,964.50 and 3,643,335

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Solution

The third proportional to 1,686,964.50 and 3,643,335 is: 7,868,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,964.50 : 3,643,335 = 3,643,335 : x
  2. Step 2: Convert to fraction form
    1,686,964.50/3,643,335 = 3,643,335/x
  3. Step 3: Cross multiply
    1,686,964.50x = 3,643,335 × 3,643,335
  4. Step 4: Simplify right side
    1,686,964.50x = 13,273,889,922,225
  5. Step 5: Solve for x
    x = 13,273,889,922,225/1,686,964.50
  6. Step 6: Final answer
    x = 7,868,505.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.