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Finding the Third Proportional to 878,402 and 1,193,179

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Solution

The third proportional to 878,402 and 1,193,179 is: 1,620,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,402 : 1,193,179 = 1,193,179 : x
  2. Step 2: Convert to fraction form
    878,402/1,193,179 = 1,193,179/x
  3. Step 3: Cross multiply
    878,402x = 1,193,179 × 1,193,179
  4. Step 4: Simplify right side
    878,402x = 1,423,676,126,041
  5. Step 5: Solve for x
    x = 1,423,676,126,041/878,402
  6. Step 6: Final answer
    x = 1,620,756.93

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.