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Finding the Third Proportional to 625,428 and 1,365,544

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Solution

The third proportional to 625,428 and 1,365,544 is: 2,981,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,428 : 1,365,544 = 1,365,544 : x
  2. Step 2: Convert to fraction form
    625,428/1,365,544 = 1,365,544/x
  3. Step 3: Cross multiply
    625,428x = 1,365,544 × 1,365,544
  4. Step 4: Simplify right side
    625,428x = 1,864,710,415,936
  5. Step 5: Solve for x
    x = 1,864,710,415,936/625,428
  6. Step 6: Final answer
    x = 2,981,494.94

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.