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Finding the Third Proportional to 66,226.13 and 144,752.81

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Solution

The third proportional to 66,226.13 and 144,752.81 is: 316,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,226.13 : 144,752.81 = 144,752.81 : x
  2. Step 2: Convert to fraction form
    66,226.13/144,752.81 = 144,752.81/x
  3. Step 3: Cross multiply
    66,226.13x = 144,752.81 × 144,752.81
  4. Step 4: Simplify right side
    66,226.13x = 20,953,376,726.66
  5. Step 5: Solve for x
    x = 20,953,376,726.66/66,226.13
  6. Step 6: Final answer
    x = 316,391.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.