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Finding the Third Proportional to 2,480 and 3,709

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Solution

The third proportional to 2,480 and 3,709 is: 5,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480 : 3,709 = 3,709 : x
  2. Step 2: Convert to fraction form
    2,480/3,709 = 3,709/x
  3. Step 3: Cross multiply
    2,480x = 3,709 × 3,709
  4. Step 4: Simplify right side
    2,480x = 13,756,681
  5. Step 5: Solve for x
    x = 13,756,681/2,480
  6. Step 6: Final answer
    x = 5,547.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.