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Finding the Third Proportional to 99,280 and 153,552

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Solution

The third proportional to 99,280 and 153,552 is: 237,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280 : 153,552 = 153,552 : x
  2. Step 2: Convert to fraction form
    99,280/153,552 = 153,552/x
  3. Step 3: Cross multiply
    99,280x = 153,552 × 153,552
  4. Step 4: Simplify right side
    99,280x = 23,578,216,704
  5. Step 5: Solve for x
    x = 23,578,216,704/99,280
  6. Step 6: Final answer
    x = 237,492.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.