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Finding the Third Proportional to 672,069 and 1,064,708

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Solution

The third proportional to 672,069 and 1,064,708 is: 1,686,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,069 : 1,064,708 = 1,064,708 : x
  2. Step 2: Convert to fraction form
    672,069/1,064,708 = 1,064,708/x
  3. Step 3: Cross multiply
    672,069x = 1,064,708 × 1,064,708
  4. Step 4: Simplify right side
    672,069x = 1,133,603,125,264
  5. Step 5: Solve for x
    x = 1,133,603,125,264/672,069
  6. Step 6: Final answer
    x = 1,686,736.22

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.