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Finding the Third Proportional to 5,176,413 and 10,888,128

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Solution

The third proportional to 5,176,413 and 10,888,128 is: 22,902,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,413 : 10,888,128 = 10,888,128 : x
  2. Step 2: Convert to fraction form
    5,176,413/10,888,128 = 10,888,128/x
  3. Step 3: Cross multiply
    5,176,413x = 10,888,128 × 10,888,128
  4. Step 4: Simplify right side
    5,176,413x = 118,551,331,344,384
  5. Step 5: Solve for x
    x = 118,551,331,344,384/5,176,413
  6. Step 6: Final answer
    x = 22,902,216.52

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.