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Finding the Third Proportional to 42,911 and 94,547

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Solution

The third proportional to 42,911 and 94,547 is: 208,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,911 : 94,547 = 94,547 : x
  2. Step 2: Convert to fraction form
    42,911/94,547 = 94,547/x
  3. Step 3: Cross multiply
    42,911x = 94,547 × 94,547
  4. Step 4: Simplify right side
    42,911x = 8,939,135,209
  5. Step 5: Solve for x
    x = 8,939,135,209/42,911
  6. Step 6: Final answer
    x = 208,318.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.