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Finding the Third Proportional to 667,748 and 1,035,320

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Solution

The third proportional to 667,748 and 1,035,320 is: 1,605,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,748 : 1,035,320 = 1,035,320 : x
  2. Step 2: Convert to fraction form
    667,748/1,035,320 = 1,035,320/x
  3. Step 3: Cross multiply
    667,748x = 1,035,320 × 1,035,320
  4. Step 4: Simplify right side
    667,748x = 1,071,887,502,400
  5. Step 5: Solve for x
    x = 1,071,887,502,400/667,748
  6. Step 6: Final answer
    x = 1,605,227.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.