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Finding the Third Proportional to 657,968 and 1,415,724

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Solution

The third proportional to 657,968 and 1,415,724 is: 3,046,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,968 : 1,415,724 = 1,415,724 : x
  2. Step 2: Convert to fraction form
    657,968/1,415,724 = 1,415,724/x
  3. Step 3: Cross multiply
    657,968x = 1,415,724 × 1,415,724
  4. Step 4: Simplify right side
    657,968x = 2,004,274,444,176
  5. Step 5: Solve for x
    x = 2,004,274,444,176/657,968
  6. Step 6: Final answer
    x = 3,046,157.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.