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Finding the Third Proportional to 879,222 and 1,371,330

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Solution

The third proportional to 879,222 and 1,371,330 is: 2,138,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,222 : 1,371,330 = 1,371,330 : x
  2. Step 2: Convert to fraction form
    879,222/1,371,330 = 1,371,330/x
  3. Step 3: Cross multiply
    879,222x = 1,371,330 × 1,371,330
  4. Step 4: Simplify right side
    879,222x = 1,880,545,968,900
  5. Step 5: Solve for x
    x = 1,880,545,968,900/879,222
  6. Step 6: Final answer
    x = 2,138,875.02

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Why These Related Problems?

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