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Finding the Third Proportional to 92,724 and 139,518

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Solution

The third proportional to 92,724 and 139,518 is: 209,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,724 : 139,518 = 139,518 : x
  2. Step 2: Convert to fraction form
    92,724/139,518 = 139,518/x
  3. Step 3: Cross multiply
    92,724x = 139,518 × 139,518
  4. Step 4: Simplify right side
    92,724x = 19,465,272,324
  5. Step 5: Solve for x
    x = 19,465,272,324/92,724
  6. Step 6: Final answer
    x = 209,927.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.