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Finding the Third Proportional to 25,646.50 and 40,576

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Solution

The third proportional to 25,646.50 and 40,576 is: 64,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.50 : 40,576 = 40,576 : x
  2. Step 2: Convert to fraction form
    25,646.50/40,576 = 40,576/x
  3. Step 3: Cross multiply
    25,646.50x = 40,576 × 40,576
  4. Step 4: Simplify right side
    25,646.50x = 1,646,411,776
  5. Step 5: Solve for x
    x = 1,646,411,776/25,646.50
  6. Step 6: Final answer
    x = 64,196.35

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.