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Finding the Third Proportional to 9,987,128 and 15,085,648

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Solution

The third proportional to 9,987,128 and 15,085,648 is: 22,787,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,128 : 15,085,648 = 15,085,648 : x
  2. Step 2: Convert to fraction form
    9,987,128/15,085,648 = 15,085,648/x
  3. Step 3: Cross multiply
    9,987,128x = 15,085,648 × 15,085,648
  4. Step 4: Simplify right side
    9,987,128x = 227,576,775,579,904
  5. Step 5: Solve for x
    x = 227,576,775,579,904/9,987,128
  6. Step 6: Final answer
    x = 22,787,009.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.