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Finding the Third Proportional to 99,312 and 154,476

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Solution

The third proportional to 99,312 and 154,476 is: 240,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312 : 154,476 = 154,476 : x
  2. Step 2: Convert to fraction form
    99,312/154,476 = 154,476/x
  3. Step 3: Cross multiply
    99,312x = 154,476 × 154,476
  4. Step 4: Simplify right side
    99,312x = 23,862,834,576
  5. Step 5: Solve for x
    x = 23,862,834,576/99,312
  6. Step 6: Final answer
    x = 240,281.48

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.