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Finding the Third Proportional to 88,677 and 130,423

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Solution

The third proportional to 88,677 and 130,423 is: 191,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,677 : 130,423 = 130,423 : x
  2. Step 2: Convert to fraction form
    88,677/130,423 = 130,423/x
  3. Step 3: Cross multiply
    88,677x = 130,423 × 130,423
  4. Step 4: Simplify right side
    88,677x = 17,010,158,929
  5. Step 5: Solve for x
    x = 17,010,158,929/88,677
  6. Step 6: Final answer
    x = 191,821.54

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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.