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Finding the Third Proportional to 657,859 and 1,417,229

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Solution

The third proportional to 657,859 and 1,417,229 is: 3,053,143.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,859 : 1,417,229 = 1,417,229 : x
  2. Step 2: Convert to fraction form
    657,859/1,417,229 = 1,417,229/x
  3. Step 3: Cross multiply
    657,859x = 1,417,229 × 1,417,229
  4. Step 4: Simplify right side
    657,859x = 2,008,538,038,441
  5. Step 5: Solve for x
    x = 2,008,538,038,441/657,859
  6. Step 6: Final answer
    x = 3,053,143.67

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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.