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Finding the Third Proportional to 759,860 and 1,645,813

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Solution

The third proportional to 759,860 and 1,645,813 is: 3,564,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,860 : 1,645,813 = 1,645,813 : x
  2. Step 2: Convert to fraction form
    759,860/1,645,813 = 1,645,813/x
  3. Step 3: Cross multiply
    759,860x = 1,645,813 × 1,645,813
  4. Step 4: Simplify right side
    759,860x = 2,708,700,430,969
  5. Step 5: Solve for x
    x = 2,708,700,430,969/759,860
  6. Step 6: Final answer
    x = 3,564,736.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.