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Finding the Third Proportional to 45,008 and 98,490

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Solution

The third proportional to 45,008 and 98,490 is: 215,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008 : 98,490 = 98,490 : x
  2. Step 2: Convert to fraction form
    45,008/98,490 = 98,490/x
  3. Step 3: Cross multiply
    45,008x = 98,490 × 98,490
  4. Step 4: Simplify right side
    45,008x = 9,700,280,100
  5. Step 5: Solve for x
    x = 9,700,280,100/45,008
  6. Step 6: Final answer
    x = 215,523.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.