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Finding the Third Proportional to 870,632 and 1,829,396

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Solution

The third proportional to 870,632 and 1,829,396 is: 3,843,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,632 : 1,829,396 = 1,829,396 : x
  2. Step 2: Convert to fraction form
    870,632/1,829,396 = 1,829,396/x
  3. Step 3: Cross multiply
    870,632x = 1,829,396 × 1,829,396
  4. Step 4: Simplify right side
    870,632x = 3,346,689,724,816
  5. Step 5: Solve for x
    x = 3,346,689,724,816/870,632
  6. Step 6: Final answer
    x = 3,843,977.39

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.