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Finding the Third Proportional to 666,865 and 1,573,485

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Solution

The third proportional to 666,865 and 1,573,485 is: 3,712,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,865 : 1,573,485 = 1,573,485 : x
  2. Step 2: Convert to fraction form
    666,865/1,573,485 = 1,573,485/x
  3. Step 3: Cross multiply
    666,865x = 1,573,485 × 1,573,485
  4. Step 4: Simplify right side
    666,865x = 2,475,855,045,225
  5. Step 5: Solve for x
    x = 2,475,855,045,225/666,865
  6. Step 6: Final answer
    x = 3,712,678.05

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.