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Finding the Third Proportional to 978,693.19 and 1,497,290.63

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Solution

The third proportional to 978,693.19 and 1,497,290.63 is: 2,290,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,693.19 : 1,497,290.63 = 1,497,290.63 : x
  2. Step 2: Convert to fraction form
    978,693.19/1,497,290.63 = 1,497,290.63/x
  3. Step 3: Cross multiply
    978,693.19x = 1,497,290.63 × 1,497,290.63
  4. Step 4: Simplify right side
    978,693.19x = 2,241,879,215,712.89
  5. Step 5: Solve for x
    x = 2,241,879,215,712.89/978,693.19
  6. Step 6: Final answer
    x = 2,290,686.44

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.