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Finding the Third Proportional to 99,364 and 145,878

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Solution

The third proportional to 99,364 and 145,878 is: 214,166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,364 : 145,878 = 145,878 : x
  2. Step 2: Convert to fraction form
    99,364/145,878 = 145,878/x
  3. Step 3: Cross multiply
    99,364x = 145,878 × 145,878
  4. Step 4: Simplify right side
    99,364x = 21,280,390,884
  5. Step 5: Solve for x
    x = 21,280,390,884/99,364
  6. Step 6: Final answer
    x = 214,166.00

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.