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Finding the Third Proportional to 721,362 and 1,551,348

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Solution

The third proportional to 721,362 and 1,551,348 is: 3,336,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,362 : 1,551,348 = 1,551,348 : x
  2. Step 2: Convert to fraction form
    721,362/1,551,348 = 1,551,348/x
  3. Step 3: Cross multiply
    721,362x = 1,551,348 × 1,551,348
  4. Step 4: Simplify right side
    721,362x = 2,406,680,617,104
  5. Step 5: Solve for x
    x = 2,406,680,617,104/721,362
  6. Step 6: Final answer
    x = 3,336,300.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.