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Finding the Third Proportional to 45,420 and 97,746

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Solution

The third proportional to 45,420 and 97,746 is: 210,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420 : 97,746 = 97,746 : x
  2. Step 2: Convert to fraction form
    45,420/97,746 = 97,746/x
  3. Step 3: Cross multiply
    45,420x = 97,746 × 97,746
  4. Step 4: Simplify right side
    45,420x = 9,554,280,516
  5. Step 5: Solve for x
    x = 9,554,280,516/45,420
  6. Step 6: Final answer
    x = 210,354.04

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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.