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Finding the Third Proportional to 637,318.13 and 1,386,613.69

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Solution

The third proportional to 637,318.13 and 1,386,613.69 is: 3,016,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,318.13 : 1,386,613.69 = 1,386,613.69 : x
  2. Step 2: Convert to fraction form
    637,318.13/1,386,613.69 = 1,386,613.69/x
  3. Step 3: Cross multiply
    637,318.13x = 1,386,613.69 × 1,386,613.69
  4. Step 4: Simplify right side
    637,318.13x = 1,922,697,518,362.35
  5. Step 5: Solve for x
    x = 1,922,697,518,362.35/637,318.13
  6. Step 6: Final answer
    x = 3,016,856.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.