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Finding the Third Proportional to 68,590 and 97,895.50

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Solution

The third proportional to 68,590 and 97,895.50 is: 139,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,590 : 97,895.50 = 97,895.50 : x
  2. Step 2: Convert to fraction form
    68,590/97,895.50 = 97,895.50/x
  3. Step 3: Cross multiply
    68,590x = 97,895.50 × 97,895.50
  4. Step 4: Simplify right side
    68,590x = 9,583,528,920.25
  5. Step 5: Solve for x
    x = 9,583,528,920.25/68,590
  6. Step 6: Final answer
    x = 139,721.96

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.