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Finding the Third Proportional to 27,389.81 and 40,005.56

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Solution

The third proportional to 27,389.81 and 40,005.56 is: 58,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.81 : 40,005.56 = 40,005.56 : x
  2. Step 2: Convert to fraction form
    27,389.81/40,005.56 = 40,005.56/x
  3. Step 3: Cross multiply
    27,389.81x = 40,005.56 × 40,005.56
  4. Step 4: Simplify right side
    27,389.81x = 1,600,445,030.94
  5. Step 5: Solve for x
    x = 1,600,445,030.94/27,389.81
  6. Step 6: Final answer
    x = 58,432.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.