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Finding the Third Proportional to 642,239 and 1,000,119

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Solution

The third proportional to 642,239 and 1,000,119 is: 1,557,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,239 : 1,000,119 = 1,000,119 : x
  2. Step 2: Convert to fraction form
    642,239/1,000,119 = 1,000,119/x
  3. Step 3: Cross multiply
    642,239x = 1,000,119 × 1,000,119
  4. Step 4: Simplify right side
    642,239x = 1,000,238,014,161
  5. Step 5: Solve for x
    x = 1,000,238,014,161/642,239
  6. Step 6: Final answer
    x = 1,557,423.35

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.