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Finding the Third Proportional to 770,215.50 and 1,643,476.50

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Solution

The third proportional to 770,215.50 and 1,643,476.50 is: 3,506,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,215.50 : 1,643,476.50 = 1,643,476.50 : x
  2. Step 2: Convert to fraction form
    770,215.50/1,643,476.50 = 1,643,476.50/x
  3. Step 3: Cross multiply
    770,215.50x = 1,643,476.50 × 1,643,476.50
  4. Step 4: Simplify right side
    770,215.50x = 2,701,015,006,052.25
  5. Step 5: Solve for x
    x = 2,701,015,006,052.25/770,215.50
  6. Step 6: Final answer
    x = 3,506,830.24

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.