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Finding the Third Proportional to 882,840 and 1,398,888

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Solution

The third proportional to 882,840 and 1,398,888 is: 2,216,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,840 : 1,398,888 = 1,398,888 : x
  2. Step 2: Convert to fraction form
    882,840/1,398,888 = 1,398,888/x
  3. Step 3: Cross multiply
    882,840x = 1,398,888 × 1,398,888
  4. Step 4: Simplify right side
    882,840x = 1,956,887,636,544
  5. Step 5: Solve for x
    x = 1,956,887,636,544/882,840
  6. Step 6: Final answer
    x = 2,216,582.43

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.