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Finding the Third Proportional to 608,386 and 1,421,445

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Solution

The third proportional to 608,386 and 1,421,445 is: 3,321,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,386 : 1,421,445 = 1,421,445 : x
  2. Step 2: Convert to fraction form
    608,386/1,421,445 = 1,421,445/x
  3. Step 3: Cross multiply
    608,386x = 1,421,445 × 1,421,445
  4. Step 4: Simplify right side
    608,386x = 2,020,505,888,025
  5. Step 5: Solve for x
    x = 2,020,505,888,025/608,386
  6. Step 6: Final answer
    x = 3,321,092.02

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.