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Finding the Third Proportional to 2,356 and 2,572

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Solution

The third proportional to 2,356 and 2,572 is: 2,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356 : 2,572 = 2,572 : x
  2. Step 2: Convert to fraction form
    2,356/2,572 = 2,572/x
  3. Step 3: Cross multiply
    2,356x = 2,572 × 2,572
  4. Step 4: Simplify right side
    2,356x = 6,615,184
  5. Step 5: Solve for x
    x = 6,615,184/2,356
  6. Step 6: Final answer
    x = 2,807.80

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.