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Finding the Third Proportional to 716,112 and 1,581,246

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Solution

The third proportional to 716,112 and 1,581,246 is: 3,491,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,112 : 1,581,246 = 1,581,246 : x
  2. Step 2: Convert to fraction form
    716,112/1,581,246 = 1,581,246/x
  3. Step 3: Cross multiply
    716,112x = 1,581,246 × 1,581,246
  4. Step 4: Simplify right side
    716,112x = 2,500,338,912,516
  5. Step 5: Solve for x
    x = 2,500,338,912,516/716,112
  6. Step 6: Final answer
    x = 3,491,547.29

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.