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Finding the Third Proportional to 407,442 and 896,108

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Solution

The third proportional to 407,442 and 896,108 is: 1,970,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,442 : 896,108 = 896,108 : x
  2. Step 2: Convert to fraction form
    407,442/896,108 = 896,108/x
  3. Step 3: Cross multiply
    407,442x = 896,108 × 896,108
  4. Step 4: Simplify right side
    407,442x = 803,009,547,664
  5. Step 5: Solve for x
    x = 803,009,547,664/407,442
  6. Step 6: Final answer
    x = 1,970,856.09

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.