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Finding the Third Proportional to 1,680,342 and 2,551,581

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Solution

The third proportional to 1,680,342 and 2,551,581 is: 3,874,547.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,342 : 2,551,581 = 2,551,581 : x
  2. Step 2: Convert to fraction form
    1,680,342/2,551,581 = 2,551,581/x
  3. Step 3: Cross multiply
    1,680,342x = 2,551,581 × 2,551,581
  4. Step 4: Simplify right side
    1,680,342x = 6,510,565,599,561
  5. Step 5: Solve for x
    x = 6,510,565,599,561/1,680,342
  6. Step 6: Final answer
    x = 3,874,547.92

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.